1968 D Silver Half Dollar To Tarnish To Black?

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Author	Replies: 10 / Views: 811
Bellarose123 New Member United States 2 Posts	Posted 11/08/2023 09:27 am I was curious if it is normal for a 1968 D half dollar to tarnish to black? I have several other's are in good shape,but just this one is black? Thanks Rose Report this Post to the Staff

Slider23 Pillar of the Community United States 4468 Posts	Posted 11/08/2023 10:01 am The 1968 D Kennedy half dollar is made with 40% silver, and it is common that the coins will tarnish black. Report this Post to the Staff
John1 Moderator United States 56855 Posts	Posted 11/08/2023 10:09 am Bellarose123, Report this Post to the Staff
jbuck Moderator United States 187446 Posts	Posted 11/08/2023 10:45 am to the Community! Your post was moved to the appropriate forum for the proper attention. 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
Sap Moderator Australia 16805 Posts	Posted 11/08/2023 5:35 pm "Tarnish" is the formation of silver sulfide. Whether a silver coin turns black or not depends on the environment in which it was stored: if there's lots of sulfur in the air, it will turn black. Sulfur can come from various sources: air pollution, certain types of cardboard, most types of rubber, and fumes from cooking with eggs garlic or onions, are some common examples. Put a silver coin in a sealed box with a source of sulfur, and the coin will turn black in just a few weeks. Don't say "infinitely" when you mean "very"; otherwise, you'll have no word left when you want to talk about something really infinite. - C. S. Lewis Report this Post to the Staff
Dearborn Moderator United States 94636 Posts	Posted 11/08/2023 6:14 pm This type of tarnish happens when the silver is not protected from the air, moisture (humidity) and dust will turn your silver black. Collecting since 1972. Learning from then on "Tell me and I forget. Teach me and I remember. Involve me and I learn." - Benjamin Franklin 7070 type set coin count: 51/76 Uncirculated American Silver Eagles My American Silver Eagle Proof Collection Sacagawea Dollars Innovation Dollars Eisenhower-Dollars Kennedy-Half Dollars Washington-Quarters Roosevelt-Dimes Buffalo-Nickels 1938-2005 Jefferson-Nickels Lincoln-Cents Report this Post to the Staff
Errers and Varietys Bedrock of the Community United States 73579 Posts	Posted 11/08/2023 11:23 pm That would be environmental damage. Errers and Varietys. Report this Post to the Staff
jpsned Pillar of the Community United States 2200 Posts	Posted 11/09/2023 4:27 pm Bellarose, you may want to check the title of your post... no silver dollars were made in 1968. Report this Post to the Staff
jbuck Moderator United States 187446 Posts	Posted 11/09/2023 4:34 pm Oops! I corrected that. 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
Coinfrog Bedrock of the Community United States 94367 Posts	Posted 11/09/2023 4:49 pm to the CCF! Report this Post to the Staff
BadThad Bedrock of the Community United States 19930 Posts	Posted 11/10/2023 9:34 pm Welcome to CC! Black is the terminal stage of toning - the worst case scenario for ANY coin. :( Lincoln Cent Lover! VERDI-CARE™ INVENTOR https://verdi.care/ Report this Post to the Staff
	Replies: 10 / Views: 811

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