Check the listing for details. 2006 S US Mint 10 Coin Proof Set w/ State Quarters - Original Box & COA. Listed at 12.99 USD. Stinson & Company is a traditional old school antique pawn shop located in Historic Portland Maine. We specialize in the sale of Antiques, Collectables, Gold & Silver Bullion, Jewelry, Diamonds, US Coins & Paper Currency, Vintage Guitars, Celebrity Memorabilia, Historical Items, Clocks, Watches, Glass & Pottery and many other items of value at the fairest prices. You will always find some of the most interesting items from week to week. Add us to your favorites and check back often. 2006 S US Mint 10 Coin Proof Set w/ State Quarters - Original Box & COA ~ Free Shipping ~ Up for sale today is this 2006 S US Mint 10 Coin Proof Set w/ State Quarters. Comes in Original Box & COA. Comes in Original Box & COA.This proof set includes all coins issued for the year with original US Mint Box & COA. Coins have deep frosted cameos and mirror like fields. inkfrog terapeak Listing and template services provided by inkFrog