e need a make as well as a model. Please repost, and give us some information to work from. There is more than one Model 90.
Your winchester model 37 single shot shotgun is valued at between 90-200 dollars based on your shotgun having 60%-90% original finish and a good bore.
I just paid 100.00 for the same gun from a gun store in philly. I was told that I was given a good price. I just paid $90 for a Stevens single shot 20 ga in Hartford
$250 and up, depending on condition,markings,and history of the gun.
Single shot, $35 - $90. Double barrel, $100 - $250.
Gun show, gun shop, on line auction.
I paid $90 for one at a gun show.
Store brand, inexpensive, utility grade, 40-90 or so
Try gun shops, gun shows, on line auctions, egunparts.
The Lefever single barrel trap gun was discontinued in 1942. Any Lefever in better than 90% condition is extremely rare and difficult to evaluate. In 90% condition it would be worth about $550; in 10%, $195.
50-125 or so
The gun was made in 1911.
your J C Higgins model 90 was based the J C Higgins model 88 and is some what harder to find model a model 90 in NRA excellent condition is worth between 125.00 and 175 .00 the model 90 was made from 1958 to 1962 by High Standard manufacturing for Sears