My AYA 20 gauge is marked N1 and therefore 1968



My AYA 20 gauge is marked A1 and therefore 1955

I can not quite make out the date code on your 410

Please clean that area and take a close up picture please

Last edited by skeettx; 01/01/21 05:29 PM.

USAF RET 1971-95 [Linked Image from jpgbox.com]