Gregg Jefferies Game used New York Mets Home Pinstripe Baseball Jersey - Mears
Gregg Jefferies LIMITED STOCK New York Mets 8X10 Photo
Everett Daily Herald, June 07, 2014 by Sound Publishing - Issuu
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Tubbs Baseball Blog: Gregg Jefferies' Unique Feat of Drawing
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Calaméo - REA 2016 Spring Auction
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Lot Detail - 1991-2007 New York Mets Game Worn and Team Issued