This is a late reply, but I've posted pix of my welded hitch for 53 Chevy 1/2 ton. It's 1/2" X 3" steel. Cut and paste and go to this URL:
www.snapfish.com/share/p=712171111104191177/l=44118242/cobrandOid=1000131/otsc=SYE/otsi=SALB
If that doesn't work, anybody interested can E-mail me for the pix
[email protected]