Things are good, but they can always be better. That’s probably what someone at the O-Pee-Chee card company thought in 1990, when they were looking to improve the quality of their hockey cards. Sometime that year, OPC experimented with a new type of paper stock that was brighter and whiter than the tan-colored stock they … Continue reading "1989-90 O-Pee-Chee Tembec Test prototype hockey cards"