50-100 USD
50-250 USD or more depending on specifics
That is not a model number, but is likely the serial number. Unless you have a Model 620 US marked Trench Gun, Stevens pump shotguns have little collectors value.
model 620-a
These range in price from 130-200 dollars,depending on overall condition.
what year was model 620- serial# 11240 made
The Ted Stevens line is not currently made.
Poor stampings lead people to believe the model is a C20-A when it's really a 620-A. Values are $200 in excellent condition and $75 in poor condition.
about £120
The exact value of a Dreadnaught 12 gauge J Stevens would actually depend on a number of factors. Some of these factors would be the age and condition.
The Stevens Savage Model 124 12 gauge shotgun was made from 1949 to 1954. The serial number will signify the actual year of manufacture.
12% of 620= 12% * 620= 0.12 * 620= 74.4