If your shotgun is a auto-5 it is worth between 250-550 dollars depending on the amount and condition of the remaining finish left.
250 USD or so
50-600 usd
375-550 dollars, depending on overall condition of your shotgun.
100-10000 or more depending on model
Requires professional evaluation.
100-10000 USD depending on specifics
50-500 usd
Its about $550 @ basspro
Most Browning guns were made in Belgium by Fabrique Nationale (FN) until the mid 1970s when some production was shifted to Miroku in Japan. Today's Browning firearms are made in either Belgium, Portugal, Japan or in the United States.
50-500 uSD
Impossible to answer if you don't at least say if it is a rifle, shotgun or handgun.
If it is an auto-5 shotgun than 1938.