Key / Semi-Key Lists - Coin Community Forum

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bobby131313 Forum Dad United States 24154 Posts	Posted 01/20/2015 1:33 pm Is there some central locations to find what would be considered key and semi-key coins for US and Canadian coinage series? I just spent about 20 minutes looking and came up empty, thought you guys and gals might know something. Shop CCF Members on eBay. Report this Post to the Staff

SPP-Ottawa Moderator Canada 10458 Posts	Posted 01/20/2015 2:40 pm I could probably generate you a list of Canadian coins... for some it is a matter of perspective. What I consider to be semi-key dates, versus those what a roll hunter would call, are probably two very different lists. "Discovery follows discovery, each both raising and answering questions, each ending a long search, and each providing the new instruments for a new search." -- J. Robert Oppenheimer Content of this post is licensed under a Creative Commons Attribution-NonCommercial 3.0 Unported License. See: http://creativecommons.org/licenses...0/deed.en_US My eBay store Report this Post to the Staff
SsuperDdave Moderator United States 23522 Posts	Posted 01/20/2015 3:01 pm Crowdsource it with a temporary sticky(s). Set specific definitions for the terms. We can peer-review for accuracy. I'll happily spam it with the ones I'm familiar with. Report this Post to the Staff
bpoc1 Rest in Peace United States 4078 Posts	Posted 01/20/2015 3:19 pm "COINage," magazine list key date coins but not all. I could send you one. They do have an on-line version. edit, only U.S. Coins Edited by bpoc1 01/20/2015 3:21 pm Report this Post to the Staff
0xDA71D Pillar of the Community United States 1215 Posts	Posted 01/20/2015 4:26 pm Half Cent 1793, 1796 With Pole, 1796 No Pole, 1797 Gripped Edge, 1802/0 Reverse of 1800, 1805 Small 5 Stems,1808/7, 1811 Close Date Large Cent 1793 all types, 1794 Starred Reverse, 1795 Jefferson Head Plain Edge, 1796 LIHERTY, 1803 Large Date Small Fraction, 1804, 1807/6 Small 7, 1823, Flying Eagle cent 1856 Indian Head cent 1877, 1888/7 Lincoln Cent 1909-S VDB, 1914-D, 1922-D Missing D Strong Reverse, 1955 Doubled Die Obverse Two-Cent Pieces 1864 Small Motto, 1867 Doubled Die Obverse Three-Cent Silver 1855 Three-Cent Copper Nickel 1883, 1884, 1885 Half-Dime 1797 13 Stars, 1802, 1803 Small 8, 1805, 1838-O, 1840-O, 1844-O, 1846, 1853-O, 1870-S Shield nickel 1880, 1883/2 Liberty Head Nickel 1885, 1912-S Indian Head (Buffalo) Nickel 1914/3, 1916 Doubled Die Obverse, 1918/7-D, 1926-S, 1935 Doubled Die Reverse, 1937-D 3 Legs Jefferson nickel 1942-D/Horizontal D Draped Bust Dime 1804 14 Stars Reverse Capped Bust Dime 1822 Seated Liberty dime 1846, 1871-CC, 1872-CC, 1873-CC, 1874-CC Barber dime 1894-S, 1895-O Winged Liberty (Mercury) Dime 1916-D, 1919-D, 1919-S, 1942/1, 1942/41-D Roosevelt dime 1968-S No S, 1975-S No S Seated Liberty Twenty Cents 1875-CC, 1876-CC Draped Bust, Small Eagle Quarter Dollar 1796 Draped Bust, Heraldic Eagle Quarter Dollar 1804 Capped Bust quarter Dollar 1822 25/50, 1823/2, 1827/3 Seated Liberty quarter Dollar 1840-O Drapery at Elbow Large O, 1842-O Small Date, 1855-O, 1856-S, 1864-S, 1867-S, 1871-CC, 1872-CC, 1873-CC, 1874-CC Barber quarter Dollar 1896-S, 1901-S1913-S Standing Liberty quarter Dollar 1916, 1918/7-S, 1927-S Washington quarter Dollar 1932-D, 1937 Doubled Die Obverse, 1950-D/S Flowing Hair Half Dollar 1794, 1795 Small Head, 1795 Silver Plug Draped Bust, Small Eagle Half Dollar 1796, 1797 Draped Bust, Heraldic Eagle Half Dollar 1802, 1806 Knobbed 6 No Stem Capped Bust half dollar 1807 Bearded Goddess, 1812/1 Large 8, 1815/2, 1817/4, 1830 Large Letters, 1838-O Seated Liberty half dollar 1842-O Small Date, 1847/6, 1871-CC, 1872-CC, 1873 Open 3, 1873-CC, 1874-CC, 1878-S Barber half dollar 1892-O Micro O, 1904-S Walking Liberty half dollar 1919-D, 1921-D, 1921-S Franklin half dollar 1953-S Full Strike Flowing Hair Dollar 1794, 1795 Silver Plug Draped Bust, Small Eagle Dollar 1796, 1797, 1798 Draped Bust, Heraldic Eagle Dollar 1798, 1800 AMERICAI, 1801, 1802 Wide Date Seated Liberty dollar 1850-O, 1851, 1852, 1858, 1859-S, 1870-CC, 1870-S, 1871-CC, 1872-CC, 1873-CC Trade dollar 1873-CC, 1876-CC Double Die Reverse, 1878-CC, 1884 Proof Morgan dollar 1879-CC, 1889-CC, 1892-S, 1893-S, 1895 Proof, 1895-O Peace dollar 1924-S, 1925-S, 1927-S, 1928-S, 1934-S Coronet Gold Dollar 1849-C, 1850-D, 1852-D1854-D Indian Head, Small Head Gold Dollar 1855-C, 1855-D Indian Head, Large Head Gold Dollar 1856-D, 1857-C, 1857-D, 1858-D, 1860-D, 1861-D, 1875 Capped Bust quarter Eagle 1796, 1797, 1798, 1804 13 Stars on Reverse, 1806/5 Capped Draped Bust quarter Eagle 1808 Capped Head Quarter Eagle 1826, 1834 Classic Head Quarter Eagle 1838-C, 1839-C, 1839-D, 1839-O Coronet Quarter Eagle 1840-D, 1841, 1841-D, 1842-C, 1842-D1843-C Small Date, 1845-O1848 CAL, 1849-C, 1854-D, 1855-C, 1855-D, 1856-D, 1859-D, 1862-S, 1864, 1865, 1875 Indian Head Quarter Eagle 1911-D Indian Head Three Dollars Gold 1854-D, 1854-O, 1855-S, 1857-S, 1860-S, 1873, 1875, 1876, 1877 Capped Bust to Right, Small Eagle Half Eagle 1797, 1798 Capped Bust to Right, Heraldic Eagle Half Eagle 1795, 1797, 1798, 1799 Capped Bust to Left Half Eagle 1810 Small Date Small 5, 1810 Large Date Small 5 Capped Head Half Eagle 1815, 1819, 1820, 1821, 1824, 1825/4, 1828/7, 1829, 1830, 1831, 1832, 1833, 1834 Classic Head Half Eagle 1834 Crosslet 4, 1838-C, 1838-D Coronet Head Half Eagle 1839-D, 1840-C, 1842-C Small Date, 1842-D Large Date Large Letters, 1847-O, 1850-D, 1861-C, 1861-D, 1861-S, 1862-S, 1863-S, 1870-CC, 1871-CC, 1873-CC, 1874-CC, 1875, 1875-CC, 1875-S, 1876-CC, 1877-CC, 1878-CC, 1887 Proof Indian Head Half Eagle 1909-O, 1929 Capped Bust to Right, Small Eagle Eagle 1795 9 Leaves Capped Bust to Right, Heraldic Eagle Eagle 1798/7 9x4 Stars, 1798/7 7x6 Stars Coronet Head Eagle 1838, 1839, 1841-O, 1842-O, 1849-O, 1852-O, 1855-O, 1855-S, 1857-O, 1858, 1858-S, 1859-O, 1859-S, 1860-S, 1861-S, 1862-S, 1863, 1863-S, 1864-S, 1865, 1865-S, 1865-S 865/Inverted 186, 1866-S No Motto, 1866, 1866-S Motto, 1867-S, 1869, 1869-S, 1870-CC, 1870-S, 1871-CC, 1871-S, 1872-CC, 1873, 1873-CC, 1874-CC, 1874-S, 1875, 1875-CC, 1876, 1876-CC, 1877-CC, 1878-CC, 1879-CC, 1879-O, 1882-CC, 1883-O Indian Head Eagle 1907 Wire Rim Periods, 1907 Rolled Rim Periods, 1920-S, 1930-S Coronet Head Double Eagle 1850-O, 1851-O, 1852-O, 18853/2, 1853-O, 1854 Large Date, 1854-O, 1855-O, 1856-O, 1857-O, 1858-O, 1859, 1859-O, 1860-O, 1861-O, 1861-S Paquet Reverse, 1666-S, 1866-S, 1870-CC, 1871-CC, 1872-CC, 1873-CC, 1878-CC, 1879-CC, 1879-O, 1881, 1882, 1883 Proof, 1884 Proof, 1885, 1885-CC, 1886, 1887 Proof, 1891, 1891-CC Saint-Gaudens Double Eagle 1907 High Relief Roman Numerals Wire Rim, 1907 High Relief Roman Numerals, Flat Rim, 1920-S, 1921, 1927-D, 1927-S, 1930-S, 1931, 1931-D, 1932 Early Commemoratives 1900 Lafayette Dollar, 1904 Lewis & Clark Dollar, 1905 Lewis & Clark Dollar, 1915-S Panama-Pacific Quarter Eagle, 1915-S Panama-Pacific Fifty Dollars Round, 1915-S Panama-Pacific Fifty Dollars Octagonal, 1922 Grant Half Dollar Star, 1928 Hawaii Half Dollar. 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0xDA71D Pillar of the Community United States 1215 Posts	Posted 01/20/2015 4:26 pm http://www.usrarecoininvestments.co...te_coins.htm Report this Post to the Staff
matthewvincent Pillar of the Community United States 3486 Posts	Posted 01/20/2015 5:04 pm I can take a stab at the Barber dimes if asked. Collectors of a series over a period of many years have a much different view of what is a key and what is a semi-key. If grade is taken into consideration a 'common' good becomes a major key in XF/AU. Many factors to consider. Report this Post to the Staff
The Silver Searcher Pillar of the Community United States 1388 Posts	Posted 01/20/2015 5:57 pm What specifically are you looking for, Bobby? Do you plan to factor in condition rarities or just grade rarities? Also, do you consider unique or very scarce issues (i.e. 1913 Liberty Head) in this tally? OxDA71D's list seems like a good place to start. Edited by The Silver Searcher 01/20/2015 5:59 pm Report this Post to the Staff
bobby131313 Forum Dad United States 24154 Posts	Posted 01/20/2015 6:16 pm I'm going to mark them accordingly on the Coin Facts pages. Shop CCF Members on eBay. Report this Post to the Staff
zxcccxz Pillar of the Community Canada 5417 Posts	Posted 01/20/2015 8:24 pm Bobby I'd be happy to hrlp you compile a list for the Canadian Coins. Although the definition of "key date" really is a matter of opinion. Also criteria for what id a series key date is hard to say, for example should errors be included? Are we accounting for conditional rarities? (Coins that are not valuable atlow grades but quickly spike in value in XF/AU/MS.) Report this Post to the Staff
vermontensium Moderator United States 16679 Posts	Posted 01/20/2015 8:54 pm Quote: Large Cent 1793 all types, 1794 Starred Reverse, 1795 Jefferson Head Plain Edge, 1796 LIHERTY, 1803 Large Date Small Fraction, 1804, 1807/6 Small 7, 1823 1799 - S-189 1799/8 - S-188 1857 swcoin.ecrater.com Report this Post to the Staff
bobby131313 Forum Dad United States 24154 Posts	Posted 01/21/2015 2:32 pm Apparently I thought this would be easier than it is. Here's how it started... I've started integrating the counterfeits from Steve's site into the Coin Facts section here. If there are counterfeit images available I'm adding an icon to the main list. I thought while I was doing that, I could add key and semi-key icons also. Trade dollar counterfeits are added and I started adding the key date info when I sorta figured out it wasn't so simple.... http://www.coincommunity.com/us_dollars/trade.asp Maybe do one series at a time in a new topic, get everyone's opinions, then put together kind of an "average" key date list? Shop CCF Members on eBay. Report this Post to the Staff
just carl Bedrock of the Community United States 20753 Posts	Posted 01/21/2015 4:55 pm The problem with this request is it is too vague. What some may call keys, others may say just difficult to find. For example that list shown here on this post did not show the 72 Lincoln Cent Doubled Die but did show the 55. Why? Then too if we are to include error coins, such as the 55 Dbl, then what about all the other errors. Now do we also include the Copper 43 Cent? In Cents alone there are possibly errors from every year. Check with coppercoins.com and you'll see just how many error coins are listed for Cents alone. With every coin there are such odd balls. Again an example is the Mercury dime 42/41, 42D/41. But now there to is the 45 Micro S and several other Micro S's have been found. Do we include all of these as a semi or key? OR do you want a list of low mintage coins. Then too where would such a list start? With less than a million. Less than a hundred thousand? Less than one hundred? Again, such a list would so much depend on who you are, what you think, what you can afford, etc. The question is just to vague. This may be why not an easy thing to find on the internet. So much depends on what YOU think is a KEY or SEMI KEY date. Report this Post to the Staff
matthewvincent Pillar of the Community United States 3486 Posts	Posted 01/21/2015 5:15 pm Dare I mention it, but the term 'Key' is tied to one's definition of 'complete set:' Since the 1894-S Barber dime was NOT a production coin it can hardly be called a 'Key.' Likewise: 1922 Plain Cent 1918/1917 Nickel 1942 over 1941 Dime Catch the drift? If a collector determines that he/she 'needs' a certain odd coin to make a complete set then that coin becomes a 'key,' (But only for that collector.) My dime set is complete - 74 regular issues. But never done. Thank goodness Dansco did not provide a hole for the 94-S! It was such a reasonable idea to identify a list of keys and semi-keys, but look how quickly the difficulties arose? --- The Grey Sheet lists prices for 'complete' sets but then lists which coins are NOT included. I follow that guide for myself. PPS. And if we let Album Makers tell us what is needed then... where did I put the headache pills? Edited by matthewvincent 01/21/2015 5:22 pm Report this Post to the Staff
coinlover168 Pillar of the Community United States 506 Posts	Posted 01/21/2015 5:25 pm Are there defining factors for "key" and "semi-key"? Especially on ebay, it seems like many sellers are calling every CC Morgan a "key date!" or "semi-key date!" or "extremely rare!" This just an example of the ambiguity of the terms. Also, I just hate when sellers do this to a not-so-rare coin just to get less experienced people to bite on those words. Report this Post to the Staff
matthewvincent Pillar of the Community United States 3486 Posts	Posted 01/21/2015 5:44 pm coinlover168, Sadly, no. Among the Barber dimes the 1895-O is, and has been, the traditional key date. However, they always seem to be available, both on ebay and in established auction houses. However, the examples are either very low grade or 'detail' graded. I would say, to simplify the 'key' question of this date: "1895-O - Lowest mintage, traditional key. Readily available in problem condition for a price. Still retains 'Key' status in problem-free grades from good through AU." Perhaps definitions of 'key, rare, etc." need to be included in the CCF Glossary. If only potential buyers would READ the advice freely given here. Report this Post to the Staff
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