Need to know all the markings on the barrels, receiver, etc. to make an educated guess.
mahmood
have you found the number
Not much in the way of serial number data on Stevens guns. Check with the customer service staff at Savage Arms- Stevens has been part of the Savage brand for nearly 100 years. http://www.savagearms.com/customer-support/
westernfield 20ga shotgun
No way to answer without the serial number
The Stevens Model 58 Salvage Shotgun with no serial number was probably manufactured in the early 1940's in Chicopee Falls MASS. It's value could range from $400.00 to $ 1500.00 depending on condition. If it has the Chicopee Falls Mass manufacturer on the barrel a good starting point is $ 500.00 and up depending on condition.
I bought one for $400Cadn, It was made from 1970-1989 and approxmate value depending on condition is 100-350 US$$
Made in 1959 not 69
Please add the model number to your description to get a correct answer to your question.
A few hundred to a few thousand.
100-1000 or more depending on specifics
Browning's web site has a sn search function.