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Signs of Greatness is an insert set in 2003 Bowman Heritage. Inserted at rate of 1:30 packs, this 12 card insert set features the signatures of top major league prospects. The signatures are actually on card rather than stickers. The Robinson Cano card is notable due to its high demand in the market. A special Red Ink parallel set was also inserted into packs at a rate of 1:32,141 and are serial numbered 1/1.



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