As long as your Browning model auto-5 shotgun is not chambered in 16ga with a 2 9/16in chamber,then the value will be between 350-550 dollars depending on overall condition.
50-600 usd
50-500 usd
50-500 USD or so
100-1000 usd
No
The .410 Browning A5 is an urban legend. Browninig never produced a .410 A5. No
Try the blue book of gun values base on condition
A few hundred to a few thousand.
What_is_the_value_of_a_Browning_Sweet_Sixteen
Matt Eastman's book on Browning.
This gun was made in 1961
100-1000 USD depending on EXACTLY what you have and its condition, box, acccessories, manual, etc..