1986 Everett Giants Cramer Mark Leonard 182 1986 Everett Giants Popcorn Cramer Mark Leonard 11 1988 California League All-Stars Cal League Mark Leonard 3 1988 San Jose Giants Cal League Cards Mark Leonard 122 1988 San Jose Giants ProCards Mark Leonard 134 1989 Phoenix Firebirds CMC Mark Leonard 5 1990 CMC Mark Leonard 546 1990 Phoenix Firebirds CMC Mark Leonard 19 1990 ProCards AAA Mark Leonard 50 1990 Triple A All-Stars ProCards Mark Leonard AAA52 1991 Giants Mother's Mark Leonard 13 1991 Giants Pacific Gas and Electric Mark Leonard 22 1991 Topps Debut '90 Mark Leonard 86 1991 Ultra Mark Leonard 322 1992 Giants Mother's Mark Leonard 13 1992 Giants Pacific Gas and Electric Mark Leonard-(At bat) 23 1992 Giants Pacific Gas and Electric Mark Leonard-(Dropping bat) 24 1992 Phoenix Firebirds Fleer/ProCards Mark Leonard 2833 1992 Score 100 Rising Stars Mark Leonard 62 1992 Ultra Mark Leonard 591 1993 Fleer Mark Leonard 532 1993 Panini Stickers Mark Leonard 241 1993 Rochester Red Wings Fleer/ProCards Mark Leonard 253 1993 Stadium Club First Day Issue Mark Leonard 497 1993 Stadium Club Members Only Parallel Mark Leonard 497 1993 Topps Gold Mark Leonard 729 1993 Topps Inaugural Marlins Mark Leonard 729 1993 Topps Inaugural Rockies Mark Leonard 729 1993 Topps Micro Mark Leonard 729 1994 Phoenix Firebirds Fleer/ProCards Mark Leonard 1533 1995 Phoenix Firebirds Team Issue Mark Leonard 27