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All Forums Category: General Numismatic Forums Forum: Main Coin Forum

Weight Variations

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First Page Showing last 15 replies.

Author	Replies: 19 / Views: 11,651	Page 2 of 2

amida17 Pillar of the Community United States 4897 Posts	Posted 01/22/2016 5:24 pm Quote: Small cent 1856 - 1971 was 2 grains or +/- .13 grams Small cent 1972 - 1982 was 1.9 grains +/- .12 grams nickels 1855 - date 3 grains +/- .19 grams dimes 1.5 grains +/- .09 grams quarters 3 grains +/- .19 grames (notice it is geting stricter. Weight of coin up 2.5 times, tolerance up only 2 times) Halves 4 grains +/- .26 grams (weight up 100% tolerance up 33%) silver dollar 6 grains +/- .39 grams (weight up 100% tolerance up 50% compared to the dime the weight is up ten times, tolerance up four times.) Ike dollar 40% or clad 8 grains +/- .52 grams This is the only clad coin not held to the same standard as the silver versions. Gold coins were held to much stricter tolerances especially as the weight increased. gold dollar .25 grains +/- .02 grams quarter eagle .25 grains +/- .02 grams weight up 150% tolerance up 0% three dollar .25 grains +/- .02 grams still 0% increase in tolerance half eagle .25 grains +/- .02 grams still 0% increase in tolerance eagle .5 grains +/- .04 grains ten times the weight of the gold dollar with only a doubling of the tolerance allowance. Double eagles .5 grains +/- .04 grams Weight doubled again with no increase in tolerance. -Conder101 from here http://www.coinpeople.com/index.php...coin-weight/ Report this Post to the Staff
John1 Moderator United States 56855 Posts	Posted 01/22/2016 6:22 pm amida17, Where did you get that info? John1 Report this Post to the Staff
jbuck Moderator United States 189767 Posts	Posted 01/22/2016 6:29 pm Look at the bottom of his post. Coin Collector Since 1978 Avatar Old Avatar 7070 Eisenhower Australia Canada World CCF Members on eBay CCF eBay Search Engine Report this Post to the Staff
Hnry Valued Member United States 106 Posts	Posted 01/22/2016 7:42 pm wow! ask a simple question.... thanks for the great info....will take me a while to absorb it all.... Report this Post to the Staff
John1 Moderator United States 56855 Posts	Posted 01/23/2016 04:39 am Thanks jbuck. The info is originally from Coin World Almanac 1976 edition. John1 Report this Post to the Staff
Conder101 Bedrock of the Community United States 17884 Posts	Posted 01/23/2016 09:59 am I have the complete listings by denomination as a PDF file if people are interested. Weights, diameters, tolerances, and specific gravities. Drop me an email with your email address. Report this Post to the Staff
CSOTUS Pillar of the Community 1153 Posts	Posted 01/23/2016 9:04 pm Quote: Quote: Small cent 1856 - 1971 was 2 grains or +/- .13 grams Small cent 1972 - 1982 was 1.9 grains +/- .12 grams nickels 1855 - date 3 grains +/- .19 grams dimes 1.5 grains +/- .09 grams quarters 3 grains +/- .19 grames (notice it is geting stricter. Weight of coin up 2.5 times, tolerance up only 2 times) Halves 4 grains +/- .26 grams (weight up 100% tolerance up 33%) silver dollar 6 grains +/- .39 grams (weight up 100% tolerance up 50% compared to the dime the weight is up ten times, tolerance up four times.) Ike dollar 40% or clad 8 grains +/- .52 grams This is the only clad coin not held to the same standard as the silver versions. Gold coins were held to much stricter tolerances especially as the weight increased. gold dollar .25 grains +/- .02 grams quarter eagle .25 grains +/- .02 grams weight up 150% tolerance up 0% three dollar .25 grains +/- .02 grams still 0% increase in tolerance half eagle .25 grains +/- .02 grams still 0% increase in tolerance eagle .5 grains +/- .04 grains ten times the weight of the gold dollar with only a doubling of the tolerance allowance. Double eagles .5 grains +/- .04 grams Weight doubled again with no increase in tolerance. wow, thanks amida, and a special thanks to conder. This is great info. Report this Post to the Staff
BStrauss3 Pillar of the Community United States 4596 Posts	Posted 01/23/2016 10:11 pm There is also information on the US Mint site for current coins... https://www.usmint.gov/about_the_mi...ecifications -----Burton 50+ year / Life / Emeritus ANA member (joined 12/1/1973) Life member: Numismatics International, CONECA Member: TNA, FtWCC, NETCC, EveryCountry (online) coin club Owned by three cats and a wife of 40+ years (joined 1983) Author: 3rd Edition of the Sample Slabs book, https://www.sampleslabs.info/ Report this Post to the Staff
coop Bedrock of the Community United States 62064 Posts	Posted 07/13/2020 2:37 pm Added this info to my Weight Chart: Report this Post to the Staff
jbuck Moderator United States 189767 Posts	Posted 07/13/2020 3:52 pm Quote: Added this info to my Weight Chart: Impressive! Coin Collector Since 1978 Avatar Old Avatar 7070 Eisenhower Australia Canada World CCF Members on eBay CCF eBay Search Engine Report this Post to the Staff
BStrauss3 Pillar of the Community United States 4596 Posts	Posted 07/14/2020 7:10 pm Two things to recognize. Tolerances are often set in the law, for example 31 U.S. Code § 5112 and 31 U.S. Code § 5113 (https://www.law.cornell.edu/uscode/text/31/5112 and https://www.law.cornell.edu/uscode/text/31/5113) Note in §5112 the reference to any gold coin shall contain - so you could not go under the specified gold weight, you can go over. And in §5113, "The Secretary of the Treasury may prescribe reasonable manufacturing tolerances for specifications in section 5112 of this title (except for specifications that are limits) for the dollar, half dollar, quarter dollar, and dime coins." The weight of the cent and nickel is explicitly specified. Thus the secretary could define manufacturing standards for say the quarter with a 95% accuracy, i.e. not EXACTLY 5.67 but 95% of the time between 5.67 +/- 0.19g, which means a 5g coin is within specifications if 95 of the 100 are within the weight limits. -----Burton 50+ year / Life / Emeritus ANA member (joined 12/1/1973) Life member: Numismatics International, CONECA Member: TNA, FtWCC, NETCC, EveryCountry (online) coin club Owned by three cats and a wife of 40+ years (joined 1983) Author: 3rd Edition of the Sample Slabs book, https://www.sampleslabs.info/ Report this Post to the Staff
just carl Bedrock of the Community United States 20753 Posts	Posted 07/18/2020 2:23 pm Problem is having that info at hand all the time. Report this Post to the Staff
Princetane Pillar of the Community 4628 Posts	Posted 07/18/2020 11:42 pm Pardon my ignorance - but does the US mint have a weighing ceremony like the Trial of the Pyx in the UK. This is where 2 examples of each coin denomination being currently minted are weighed and assayed by a group of bureaucrats with scales and exact weights and unless the coins are exact, they will shut down production? It is not so necessary now, but in the days of hammered (to 1663) and milled coinage (1663 - 1815) it was considered necessary twice a year. Looking at US coins, it looks like until about 1835 they were not machine made and perfectly round (That starts with the last capped bust coins and the seated Liberty era pieces?). I mean 1790s - 1830s coins look round, but also look milled rather than steam press made? Report this Post to the Staff
John1 Moderator United States 56855 Posts	Posted 07/19/2020 04:08 am I have never heard of that ceremony for U.S. coins. Congrats on 1000 posts ...contest time? John1 Report this Post to the Staff
BStrauss3 Pillar of the Community United States 4596 Posts	Posted 07/21/2020 8:46 pm There used to be a US Assay Commission - the medals are collectible in fact. It was disbanded many years ago. So long ago that they used to have a club for former members and THAT was shut down because so few people were left. -----Burton 50+ year / Life / Emeritus ANA member (joined 12/1/1973) Life member: Numismatics International, CONECA Member: TNA, FtWCC, NETCC, EveryCountry (online) coin club Owned by three cats and a wife of 40+ years (joined 1983) Author: 3rd Edition of the Sample Slabs book, https://www.sampleslabs.info/ Report this Post to the Staff
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