I haven't seen any single-sided [black] hockey disks. Anyone who has one please post it.
The Esposito brothers, Howe and Mahovlich were issued together two-sided in a single blister pack designated "Hockey Stars 1"
The Frazier disk does look like Norton but it also looks like Frazier in the era:
More to the point, Norton hadn't really accomplished anything by 1971 while Frazier had defied all expectations by dropping Ali in their first fight and winning a decision.
The Sugar Ray is most definitely him: