You need the services of a good gunsmith.
You will have to call Browning.
why do you have one for sale?
50-1000 USD depending on specifics
Unable to answer without a detailed description of all features and markings.
100-600 usd
100-1000 and up depending on specifics
100-800 usd
Gun shop, gun show, want ad, pawn shop
100-700 usd
100-1000 usd
$250-$550, depending on the exact model, condition, and whether made in Japan or Belgium (higher)
500 USD