2017 Panini Immaculate Collection Trey Mancini autographed card #129, serial numbered 17/49, featuring the RC designation. This Panini baseball issue places Mancini with the Baltimore Orioles in a Major League Baseball context, and the signature is part of the card’s original design. A solid addition for collectors focused on Trey Mancini, Orioles material, or the 2017 Immaculate Collection set.












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