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Learn more about the Sportlots Baseball Card Values Guide.

John Duffy Baseball Trading Cards

Top Selling John Duffy Cards on Sportlots:

John Duffy Baseball current trading card values

Card Description	NM	EX/NM	EX	VG	GOOD

1987 ProCards Glens Falls Tigers #23 John Duffy	$0.52
1988 CMC Toledo Mud Hens #10 John Duffy	$0.20
1988 ProCards Toledo Mud Hens #596 John Duffy	$0.20
1989 Best Memphis Chicks #2 John Duffy	$0.22
1989 ProCards Memphis Chicks #1181 John Duffy	$0.20
1989 Star Memphis Chicks #9 John Duffy	$0.52

See All John Duffy Baseball Trading Card Values

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