The Winchester model 290 belongs to the Winchester 200 series of rifles that were introduced between 1963-1965.The model 290 was discontinued in 1976.
your Winchester model 290 was made between 1965-1973.
your Winchester model 290 in good condition should be in the range of 200-275 dollars.
Winchester 190-290
Your Winchester model 290 deluxe rifle is going for between 90-200 dollars depending on the amount of original finish and condition.
the 290 has some checkering on the stock grip and forearm.... they're listed as shooting .22 l.r. only.
these are running from 200-275 dollars depending on condition.
The 190 is a plain stock and fore end the 290 has checkering on the fore end and stock. However the Early 290's Also have a plain stock.
your Winchester model 290 was made as a group of models including the 250,270,255,275 and the 290.these were made from 1963-1976,with the model 290 being the last model made.
150-250 dollars depending on the overall condition of the rifle in question.
You need the assistance of a good gunsmith
the best I can do is say that your Winchester model 290 was made between 1963-1976.