Fountain pen signature, “Chas. A. Comiskey,” on an off-white 3.75 x 1.5 slip affixed to a 5 x 3 card. In fine condition, with two tiny pieces of old tape at the upper right and lower left corners, a faint border around his name likely from past mounting, and the signature a little shaky. Pre-certified Steve Grad/PSA/DNA and RRAuction COA.
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