Those designate the size, uniform #, and date/type of uniform. Grey knit jersey with navy and orange. New Era size 7 1/2 cap with Young's # 21
2012 Delmon Young, Detroit Tigers, 1976 Throwback Game Worn Full Uniform, Mears
2012 Delmon Young, Detroit Tigers, 1976 Throwback Game Worn Full Uniform, Mears
cflduck – Page 3 – rotisserieduckdotcom
2012 Delmon Young, Detroit Tigers, 1976 Throwback Game Worn Full Uniform, Mears
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Baseball cards – Tagged kansas city royals – Collectivities
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Delmon Young - Wikipedia
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2012 Delmon Young, Detroit Tigers, 1976 Throwback Game Worn Full Uniform, Mears