I got this mixed in with a whole lot of wrenches - I've seen this before,
but darned if I can remember on what - it is presumably held in place with
1/2" diameter bolts, forged, marked DF and DD57 some silver paint residue
and some little bit of red paint - what does it fit?

if your viewer cuts off the images, to see the whole image, go to my web
page http://www.wbnoble.com and click on "mysteries"





--
Bill -
www.wbnoble.com