What is the age of Mauser werke ag oberndorf pistol cal 7.65 serial number 500863?

To determine the age of a Mauser Werke AG Oberndorf pistol in caliber 7.65 with the serial number 500863, you would need to reference production records or databases specific to Mauser firearms. Typically, these pistols were produced in the early to mid-20th century, with many made during the 1920s and 1930s. Without specific production records for that serial number, it's difficult to provide an exact age, but it likely dates back to that era.