Never heard of a Super Pro. Are you perhaps meaning the Superposed? If so, the value will depend on a detailed description. It could range from 500 to 10000 USD.
about a grand
100-10000 or more depending on specifics
A Browning over and under is worth about $1,000-1,500 on it own and the fact that it's a Belgium made Browing increases the price significanly. I would say somewhere in the range of $500 to $750 more. The belgium made Browning is the most collectible and popular.
Browning Citori 12 gage over and under & a Browning Goldtrigger Light Twelve: How much are they worth?
A Bar is not an over under, and what do you mean by tooling master?
500 - 50000 USD depending on exactly what it is.
Without a detailed description of all markings, features, box, papers, accessories, condition, etc.. 100-10000 USD
50-550 usd
500 USD
A few hundred to a few thousand.
50-600 usd
If you mean a Citori; 100-5000 USD