What is a one ounce proof silver bullion American Eagle worth? I have 1986 and 1987 coins.?

Proof Silver Coins Ending Soon on eBay:
2010 1 OZ. PROOF SILVER AMERICAN EAGLE W/ BOX &COA

US $79.00 End Date: Sunday Feb-05-2012 5:35:30 PST Buy It Now for only: US $79.00 Buy it now | Add to watch list

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