1860 Heenan-Sayers Boxing Bout. Copper. 34 mm. HK-9. Rarity-7. MS-65 BN (PCGS).Incorrectly attributed on the PCGS insert as HK-10b. A choice problem-free example with appealing silky surfaces and uniform chocolate brown patina on both sides. This was indeed a great fight, with bare-knuckles, lasting 42 rounds and ending in a draw.