For hockey card collectors, the 1989-90 O-Pee-Chee release was the end of the innocence as it marked the end of a 25-year stranglehold on the market. Less than a year later, there would be three more manufacturers entering the fray and the hobby boomed to a level previously unheard of. After four straight years of sets consisting of 264 cards, O-Pee-Chee decided to balloon … [Read more...] about 1989-90 O-Pee-Chee: Prelude to the Boom