Tony Perez 1973-75 Game Used Bat Records

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Just purchased a Tony Perez Bat that originated from the Reds 580 Gift Shop. Was still sealed in the original bag. Model Number is R43. Length is actually 35 ¼” (measured end to end), however I don’t see any mention of 35 ¼” bats in Vince’s Book. Labeling period is 1973-1975. Does anyone have shipping records indicating this size of bat ordered by Perez or is it common for there to be some variation in length that it could have actually been ordered as a 35” bat.