I dont know what they are worth. So make offer!
Factory headers/manifolds. They have a ford stamp on them.
I'm guessing they are from a mustang, but I'm not sure, as I didn't remove them.
I know they fit 302, so they will probably work for 221-302 & 351W

or will trade for some of these guys:
Summit Racing SUM-G9063 - Summit Racing® Block Hugger Headers - Overview - SummitRacing.com

I paypal, credit cards, e-check, ING transfer, money order, or cash pick-up.
Located near Victorville California