Which Model are you asking about.
Auction
The model 100 was made between 1935-1941.
Benjamin made this model from 1946 to 1985, but did not start serializing them until 1957. I also have a Benjamin Franklin that has no serial number. Before 1957 it is not possible to set an exact date. Just know it's OLD. The 137 is a .177 caliber pellet pistol the 132 is a .22 caliber pistol and the 130 is a BB pistol.
This air rifle was made in 1965.
They were made between 1938 to 1941
It was made in 1960
All the Benjamin air pistols have wooden handle's. the first model was the 100 series (models 100, 122 & 177 made from 1935-41
It was made between 1935 - 38 see the link below for the owners manual. it's a model 107 or model 177
Benjamin Franklin died of old age.
1897 and he was 7 years old
Benjamin Franklin was born in 1706, and died in 1790. He was 84 when he died.
Crosman airgun owns the Benjamin line of airguns. They off a locater service for shops that repair old air guns and rifles. (See the link below ) when the Crosman page opens, click on the "find a service center" link at the bottom of the page.