Pure Silver EHR Coin – Bold Bison. Extraordinarily high relief, extraordinarily detailed! The follow-up to our first Extraordinarily High Relief (EHR) coin minted in a proof finish, this 99.99% pure silver collectible is a sculpted work of art that leaves a lasting impression. Its reverse features a wildlife portrait that rises up from the coin’s mirror-like surface to reach a heightof over 6 mm – over four times higher than an Ultra High Relief (UHR) coin of the same diameter! Rendered here in three-dimensional form, the bison’s imposing features instantly command attention – especially against a high-shine finish that illuminates the depth of detail for maximum visual impact. 99.99% pure silver. Your coin is encapsulated and presented in a Royal Canadian Mint-branded clamshell with a black beauty box.