1991-92 Conlon TSN Prototypes
The 1991-92 Conlon Prototypes baseball card set consists of 16 standard size cards that were released as previews to the regular Conlon sets. The 1991-92 Conlon Prototypes baseball cards were issued with the same numbers as the regular cards, but the 1992 cards feature the word "prototype" on the backs.
The key cards for from this set include #111 Lou Gehrig, #145 Babe Ruth, and #250 Ty Cobb.
By Dean Hanley