Just wanted to show this. This came from a good friend who recently passed. He knew I liked it and teased me about it for sometime. It's now more a reminder of a Good Friend who is missed by many.
So we have a 90 mm drill cartridge M 12 B1 / C1OA1 dated 1944. It is a mix of steel and iron parts. Its predecessor,the M 12, was of a bronze/brass construction. I'd imagine these would have been used in training on some types of



the U.S. 90 mm AA gun, and possibly in use by Canada hence the C1OA1 designation also stamped after the original stamping ? Any thoughts or additional info would be greatly appreciated. I've only come across a picture of a rusty one, and would like to see other examples of this or even the brass/bronze M12 if anyone knows of such.
Cheers, SHAKY
So we have a 90 mm drill cartridge M 12 B1 / C1OA1 dated 1944. It is a mix of steel and iron parts. Its predecessor,the M 12, was of a bronze/brass construction. I'd imagine these would have been used in training on some types of





Cheers, SHAKY