(4) 2011-W September 11 National Proof Medal 1 oz. 999 Silver w/Box & COA 9/11. This item is in the category “Coins & Paper Money\Coins: US\Commemorative\Modern Silver/Clad (1982-Now)”. The seller is “treasured_investments” and is located in this country: US. This item can be shipped to United States, Canada, United Kingdom, Denmark, Romania, Slovakia, Bulgaria, Czech […]