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<p>[QUOTE="CamaroDMD, post: 412592, member: 5233"]The first quarter, is from an uncirculated mint set and is definitely 40% silver since it was from San Francisco. All 1976 non-proof quarters with an S mint mark are 40% silver.</p><p><br /></p><p>The second quarter is a proof. They made both silver and clad proof examples of the proof quarter that year. It's hard to tell from the pics with it is. If it doesn't have copper in the rim, it's <b>probably</b> silver. What I would do, is grab a new quarter from circulation and the quarter from the first pic (which we now know is silver). You will see an obvious color difference between the circulation clad quarter and the silver quarter (silver has a more gray color than the clad coins). Then, compare the color of the proof to those coins. </p><p><br /></p><p>If you have a scale handy, you could weigh the proof coin. That's the way to be most sure. The weight of a 40% silver quarter would be 5.75g while a clad quarter is 5.67 grams.</p><p><br /></p><p>Also, the finger prints...you could probably get rid of them by dipping the coin in acetone. But, being that you are new I wouldn't advise it. There are tricks to doing it and it takes experience. You could easily ruin the coin.[/QUOTE]</p><p><br /></p>
[QUOTE="CamaroDMD, post: 412592, member: 5233"]The first quarter, is from an uncirculated mint set and is definitely 40% silver since it was from San Francisco. All 1976 non-proof quarters with an S mint mark are 40% silver. The second quarter is a proof. They made both silver and clad proof examples of the proof quarter that year. It's hard to tell from the pics with it is. If it doesn't have copper in the rim, it's [b]probably[/b] silver. What I would do, is grab a new quarter from circulation and the quarter from the first pic (which we now know is silver). You will see an obvious color difference between the circulation clad quarter and the silver quarter (silver has a more gray color than the clad coins). Then, compare the color of the proof to those coins. If you have a scale handy, you could weigh the proof coin. That's the way to be most sure. The weight of a 40% silver quarter would be 5.75g while a clad quarter is 5.67 grams. Also, the finger prints...you could probably get rid of them by dipping the coin in acetone. But, being that you are new I wouldn't advise it. There are tricks to doing it and it takes experience. You could easily ruin the coin.[/QUOTE]
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