Made in 1969. Value depends on condition, barrel length, accessories, actiion type,etc. You could be in the few hundred to few thousand range, but, without more information, no way to narrow it down.
Your browning auto-5 standard 16gauge shotgun was made by FN of belguim for browning in 1953.
Your browning 16ga was produced by browning in belguim in 1949.
The barrel will be marked "Made in Belgium"
It will be marked on the receiver/barrel.
It will be marked on the receiver. It was made in 1980
This Shotgun was made by Stevens their model. 520. Made from 1930's to 1950'S Although the shotgun was Browning patent marked, it was not made by Browning.
It will be marked on the barrel.
The Stevens Model 520 was built on a Browning patent and so marked. Stevens also built the gun for Sears before World War II under the 'Ranger' tradename, so if you have a slide-action shotgun marked 'Ranger' and 'Browning Patent' then that is what you have.
It will be marked on the botton of the receiver.
It will be marked on the receiver/barrel where it was made.
It will be marked on the weapon.
It is a Stevens shotgun, based on a Browning patent. Inexpensive.