![2001 P $1 Buffalo Silver Dollar NGC PF70 Signed Mike Castle | Silver dollar, Buffalo nickel, Buffalo 2001 P $1 Buffalo Silver Dollar NGC PF70 Signed Mike Castle | Silver dollar, Buffalo nickel, Buffalo](https://i.pinimg.com/originals/ed/15/24/ed1524f91d0cf6a82551d25206167213.jpg)
2001 P $1 Buffalo Silver Dollar NGC PF70 Signed Mike Castle | Silver dollar, Buffalo nickel, Buffalo
![2006-W $50 One-Ounce Gold American Buffalo NGC Proof-70 UC (Mike Castle Signed Label) (Item 611185) | GreatCollections Coin Auctions 2006-W $50 One-Ounce Gold American Buffalo NGC Proof-70 UC (Mike Castle Signed Label) (Item 611185) | GreatCollections Coin Auctions](https://www.greatcollections.com/image/400/268/611185-1.jpg)
2006-W $50 One-Ounce Gold American Buffalo NGC Proof-70 UC (Mike Castle Signed Label) (Item 611185) | GreatCollections Coin Auctions
![2019 Smithsonian Zoo 3-Coin Buffalo Set Gold + Silver Medal Scarce and Unique Coin Division NGC PF70 UC with Certificate of Authenticity Natanya Van Niekerk Signed Label - ModernCoinMart 2019 Smithsonian Zoo 3-Coin Buffalo Set Gold + Silver Medal Scarce and Unique Coin Division NGC PF70 UC with Certificate of Authenticity Natanya Van Niekerk Signed Label - ModernCoinMart](https://www.moderncoinmart.com/images/D.cache.dpthmbn/103368.jpg)
2019 Smithsonian Zoo 3-Coin Buffalo Set Gold + Silver Medal Scarce and Unique Coin Division NGC PF70 UC with Certificate of Authenticity Natanya Van Niekerk Signed Label - ModernCoinMart
![2019 Smithsonian Zoo Buffalo 1 oz Gold Proof Medal Scarce and Unique Coin Division NGC PF70 UC Natanya Van Niekerk Signed Label - ModernCoinMart 2019 Smithsonian Zoo Buffalo 1 oz Gold Proof Medal Scarce and Unique Coin Division NGC PF70 UC Natanya Van Niekerk Signed Label - ModernCoinMart](https://www.moderncoinmart.com/images/D/2019-g1oz-buff-castle-ngc-niekerk-sign-pf70-obv.jpg)