Check the auction sites for current prices.
40-200 usd
I believe that Browning makes these themselves,since they are produced in Salt Lake City,Utah.
It's not made by browning it's made by a company call Arms Technology Inc. (ATI)
No
Yes
100-1000 usd
Could be an inspector mark
depending on the condition of your browning auto-5 shotgun,these are valued at between 300-600 dollars.
FN made guns for Browning, not the other way around. In the 90s, FN bought out Browning (Herstal Group), so you may be referring to that. The only guns Browning made in the US are, the Challenger II and currently make Buck Mark Pistols and rifles. Also, Remington made Auto 5s for Browning in the USA during WWII
for sale
$1200.00 - $1500.00
50-500 usd