does any buddy know about a old GMC rear end that was square? and it has GMC on the cover, my brother found a chassis with this. no cab just a rolling chassis, is it worth anything? what year? any buddy? thank you very much.

http://s1055.photobucket.com/user/baldybenny/library/

1936 1.5 wrecker,1937 gmc coe,1939 Chevrolet coe,1942 4x4 coe, 1942 coe,1946 dump,1947 2 ton dump,another 1947 2 ton dump,1950 coe,1967 c30,1937 cat 22,1936 Chevrolet 5 window foremans coupe, 1914 ford speedster.