The company that made it or the dealer that sold it to you can find out what kind of pistol and know the calibur.
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.
Value will depend on exact configuration, overall condition, finish, box, manual, accessories, serial number, barrel length, etc.. Range could be from 25 USD to multiple thousands of USD.
The Titan .25 caliber pistol with the serial number B08316 was likely manufactured in the early 1970s. The Titan pistols were produced by the Firearms Manufacturing Company in the 1960s and 1970s, and specific serial numbers can help date them more accurately. However, without more specific records, it's challenging to pinpoint the exact year of production.
$425 depending on exact model, caliber and condition. Serial number has no bearing on any of that.
$425 depending on exact model, caliber and condition. Serial number has no bearing on any of that.
Impossible to answer without the exact model and caliber.
The exact value of a Browning 22 caliber pistol with gold trigger is actually dependent upon a number of factors. Some of these factors would include the gold content, year and condition of the pistol.
An Iver Johnson .38 caliber pistol featuring owl head grips is likely a vintage revolver, as the company was known for producing firearms from the late 19th century into the 20th century. The absence of a serial number or model number may indicate that it was manufactured prior to 1968, when federal regulations required serial numbers on firearms in the U.S. Such unique design elements, like the owl head, suggest it could be a specific model or a custom variation. However, without a serial number, identifying its exact model and value can be challenging.
Jukar was a firm that made barrels for inexpensive modern reproductions of black powder firearms (in Spain) Value will depend on exact model and condition, but typically run $100-$150.
$20-$100, depending on exact model and condition.
Impossible to answer without knowing EXACT model and serial number.
$150-$250, depending on exact model and condition.