As with any firearm, it is not possible to accurately appraise a gun without seeing it. Recommend that you see a local gun dealer for an appraisal. You can also do your own investigation by looking at other models being sold that are in the same condition as yours. Try the gunbroker.com or a periodical called "The Gun List" You can also reference the Blue Book of Gun Values which can be purchased on line at various retailers.
In the condition you describe,your browning A-bolt is valued at between 200-350 dollars.
A browning safari grade rifle in a standard caliber,and the condition you describe is valued at 995-1,100 dollars.
Impossible to do without pictures.
100-1000 usd
Depending on condition, around $700, plus or minus. Excellent rifle, excellent caliber.
200-275 USD
50-550 usd
100-600 or so
100-400 USD depending on condition.
450-575 dollars depending on overall condition.
500 USD
The model number is needed. A "A-Bolt" would be aprox 4-800 dollars.