See: http://www.gun-data.com/tour7.html this may help you.
No published sn data
One recently sold for $101 in online auction.
You are able to fire .22 Long Rifle or .22 shorts.
No published sn data that I know of.
No published sn data.
No sn data available.
No published history
25-100
You will have to check with the BATFE
No available sn data in the public domain.
No open market published data.
the western auto model 120 was made by marlin.The marlin model 99 was made between 1959-1960.