You can't tell choke by the sn. Look closely at the breech end of the barrels. There should be some markings on the flats or bottom.
Your Model 37 was mfg. in 1954. The -4 indicates full choke.
about a 150 bucks
The Model 37 was mfg. in 1956. The -4 indicates FULL choke.
There is no way to tell from the serial number.
what does 120A choke mean-- I have no idea what you are talking about with this question about a choke
$250-300.more if it is not a full choke. Answeryour gun was made in 1949
What is the value of a Spencer Gun Company 12 guage choke shot gun serial number A203136?
You have an Ithaca Flues model made in 1914 you did not mention condition, straight or pistol grip, beavertail or splinter forearm, ejectors or extractors steel or damasscuss barrels or the choke markings on the barrel flats. 500-3000
You can't tell by the serial number. Go to http://www.browning.com/customerservice/qna/detail.asp?ID=100 for choke specifications.
new in box lists as 600 lowest quality is 200
http://www.gunshop.com/dgsnos3.htm
Not recommended.