12 gauge BSS were first made in 1971 and 20 gauge in 1972.
Made before 1975
It was made in 1981.
Any BSS is rare as only about 1,200 or so were made. Made from 71-87. Gold triggers started in 1978
Made in 1972
That is the number of a Japanese contract-made Browning BSS. Current online prices are in the $900-$1500 range in as new condition, less used. (May 2012)
1972
If you have the money....
BSS was made from 1971-1987
1986
You must call Browning with the serial number to find out.
1976