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![2021 American Gold Buffalo 1 oz $50 - NGC MS70 Early Releases Castle Signed [21-BUFF-N-MS70-ER-MC-NSL] - Liberty Coin](https://cdn11.bigcommerce.com/s-xs84wezima/images/stencil/1280x1280/products/6682/21861/21-BUFF-N-MS70-ER-MC-NSL__45751.1673047171.jpg?c=2 "2021 American Gold Buffalo 1 oz $50 - NGC MS70 Early Releases Castle Signed [21-BUFF-N-MS70-ER-MC-NSL] - Liberty Coin")
2021 American Gold Buffalo 1 oz $50 - NGC MS70 Early Releases Castle Signed [21-BUFF-N-MS70-ER-MC-NSL] - Liberty Coin
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2013-W $50 One-Ounce Gold Buffalo MS70 NGC | Park Ave Numismatics | Rare Collectible Coins | Precious Metals
2006 (W) $50 BUFFALO G .9999 FINE PF 70 ULTRA CAMEO COIN - Hawaii Estate & Jewelry Buyers
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American Buffalo Gold - A Reintroduction - Currency and Coin
2006-W $50 One-Ounce Gold Buffalo, Mike Castle Signature, PR70 | Lot #93123 | Heritage Auctions
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2019 Smithsonian Buffalo at the Castle 1-oz Silver NGC PF70UC | GovMint.com
2022 American Gold Buffalo & Eagle set NGC MS70 FDOI Michael Castle Signatures
