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2013-W 1 oz Reverse Proof Gold American Buffalo Coin [AGB-REV-2013] - $2,951.44 : Aydin Coins & Jewelry, Buy Gold Coins, Silver Coins, Silver Bar, Gold Bullion, Silver Bullion - Aydincoins.com
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2013-W $50 American Buffalo Rev PR 100th Anniversary .9999 Fine Gold (Proof) Gold Buffalos - PCGS CoinFacts
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