1776-1976 Washington Quarters - Coin Community Forum

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Author	Replies: 8 / Views: 12,419
mwr1550 Valued Member United States 193 Posts	Posted 07/24/2010 11:19 am I have some 1776-1976 s Washington proof quarters My question is this; Are all the S proofs part silver? Or did the mint make some clad proofs from the SF mint. Also, what is the percentage of silver in the silver proofs? Report this Post to the Staff

specksynder Pillar of the Community United States 1080 Posts	Posted 07/24/2010 11:32 am San Fransisco made clad proofs and silver proofs that year. The silver were "outer layers of .800 silver, .200 copper bonded to inner core of .209 silver, .791 copper(net weight .0739 oz. pure silver)." from the Red Book Report this Post to the Staff
mrak Valued Member United States 99 Posts	Posted 07/24/2010 11:32 am Pretty certain there were clad proofs that year. The silver content of the silver proofs would be 40%. Report this Post to the Staff
RollHunter Pillar of the Community United States 687 Posts	Posted 07/24/2010 12:41 pm If I'm not mistaken the 40% silver proofs came in a three coin set: quarter, half and dollar whereas the clad proofs came in the regular six coin proof set with the other non-bicentennial 1976 proofs as well. If you can't tell if they are silver visually you can use the tissue test. Report this Post to the Staff
Scooby Due Pillar of the Community United States 4000 Posts	Posted 07/24/2010 10:17 pm I like the tissue test, too. It comes in handy if you find out they're not silver! Report this Post to the Staff
xfeathersx New Member United States 41 Posts	Posted 07/25/2010 10:43 am tissue test? Sorry for my ignorance.. Lori Report this Post to the Staff
Waredu Valued Member United States 397 Posts	Posted 07/25/2010 11:18 am Place a Kleenex tissue over the coin. Look through the tissue at the coin, if you see white, it's silver. You should really do this as a comparison test though to be sure. That is, take a clad coin, a silver coin if you have one, and this coin. Look at all three through the tissue and you should be able to easily tell which way your quarter leans. Report this Post to the Staff
jbuck Moderator United States 188213 Posts	Posted 07/26/2010 1:32 pm Quote: whereas the clad proofs came in the regular six coin proof set with the other non-bicentennial 1976 proofs as well. Do not forget that the 1975 proof sets had the 1776-1976 dated Quarter, Half, and Dollar as well. Here is a demonstration of the tissue test. 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
Conder101 Bedrock of the Community United States 17884 Posts	Posted 07/27/2010 10:41 am They made 7 million copper nickel clad proofs (two years production 1975 and 1976) and 4 million 40% silver proofs (all made in 1975 but many were unsold and were melted down by the mint in 1982. After 35 years the mint has still not released any final figures for the Bicentennial silver sets.) Report this Post to the Staff
	Replies: 8 / Views: 12,419

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