Author: M. Feig
I believe that this is an original 10 row oil cooler. Note that the edges were rounded. A friend just sent me the plate that he believe belongs to the oil cooler. Ingemar offered up a pic that shows where the plate belongs.
Updated 2/15/12 w/Oil Cooler that has correct Fittings. 2/23/12 w/Pic of plate on Oil Cooler.