The model Benjamin 137 was made between 1946-1985. But you will need the Serial No to tell the exact date. In 1957 Benjamin used the serial number to establish the date. From 1946 to 1957 there are no records as to the date. See the link below for more information.
BTW today Crosman air gun company owns the Benjamin line of products.
It was made from 1946 to 1985.
It was made in 1961
If the pistol is a model 1903 hammerless it was made in 1907 I cannot tell you the value.
They were made from 1946 to 1985. If you gave me the serial number I might be able to give you a year.
Call Colt with the sn and they will tell you.
It started in 1946 to 1985
it was made between 1950 -54. The serial numbed would help identify it to a specific date.
No. 100-200 USD or so.
Without knowing who made it, there is no way to tell. Even if you provide the country of origin, the records may not exist.
No sn data. No
Call S&W and they will tell you when it left the factory. It could have been made anywhere from a week to a year before.
No English translations of data.