9999 Wildlife Series: Bison – Pure Silver Coin. NumisCan Coins and Banknotes is committed to providing an exceptional experience every time you shop with us. All items are carefully described indicating their condition and stating whether the image is the actual item or a stock image. Sometimes errors can happen, and we want to do everything possible to make it right! We are working on listing over 5,000 different coin items. If you are looking for something you don’t see, please send us a message.