In 1993 , Canadian company O - Pee - Chee stopped using the Topps design on its cards ( as it had been doing forever ) .
In 1993 , Canadian company O - Pee - Chee started designing its own cards .
In 1993 , Canadian company O - Pee - Chee stopped using the Topps design on its cards ( as it had been doing forever ) and started designing its own cards .