Ty Cobb back
The Ty Cobb back is a 1:1 multiplier on that site because it assumes that you use the price of an actual Ty Cobb back card as a starting point. Thus, the price of a Ty Cobb back is the actual price of a Ty Cobb back times a multiplier for the grade of the card. The higher the grade the higher the grade multiplier.
Jerry
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