OK, so it is not a super early gun

plus

being a 20 gauge, you should be able to use the
below list to find the letter code and the number and get a year of manuf.

You should have an X to specify 20 gauge??????
But a Z specifys Light 20

http://proofhouse.com/browning/a5.htm

Mike

Last edited by skeettx; 06/27/12 08:39 PM.

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