The 1940s were a quiet decade for hockey cards. World War II limited card production before the hobby returned with iconic post-war releases. The oversized 1940 O-Pee-Chee set introduced a new generation of NHL goalie rookies Johnny Mowers and Paul Goodman are found here. Printing quality in the 1940s was generally modest, with simple designs, softer colour registration, and easily worn corners, making well-preserved examples especially desirable to collectors. Today, goalie cards from the 1940s remain highly desirable for their historical significance and limited production.