That is a completely general question, there are a LOT of old rifles, and a lot single action or bolt action since there wasnt a lot of expirementation with semi-auto when shotguns where first developed. Come back with the manufacturer and model and we might have a price range for you. but your best bet is to take it to either an appraiser or a gun shop, both can tell you better than most people on the internet
a model 15 in excellent condition is worth about $125.00.
The value of a 12 gauge Sears and Roebuck single shot bolt action model 14 will vary depending on the condition. If the gun is in good condition, it could be worth $150-$200 dollars.
5-75 or so
My references show the H&R 865 as a bolt action repeater, 5 shot box magazine, value about $100 in very good condition.
35-100 USD
The value of the Winchester model 60 .22 single shot, bolt action rifle varies with the condition of the gun. On average, this gun retails for about 600 dollars in good condition.
whats it worth
300 or so
Depending on condition, $25-$100.
10-800 usd
$50-$100, depending on model and condition.
10-100 USD or so