1977 Topps Glossy Inserts Hockey #13(a) Brad Park - Square Corners - PSA 9 - RC000002117
In the 1977 Topps Hockey Wax Packs you received 1 glossy insertof a special player. The set consisted of 22 cards that were round corners and 22 cards that were square corners with the same 22 players. These cards are a little smaller than a normal size modern card at 2 1/4 x 3 1/4.