The Mutt (52/56 Les Paul Goldtop Conversion)

hey, CD, the people selling shirts with what appears to be your picture on it on e-Bay claim they have permission to use the image for commercial purposes...what say you? http://www.ebay.com/itm/1954-Gibson-Les-Paul-Standard-Goldtop-T-Shirt-CD-/201159104503?pt=US_Mens_Tshirts&var=&hash=item2ed60457f7