It's a Stevens 520 with a Sears name.
Proofhouse.com has a store brand chart.
schematics for a stevens model 75 22 slide action
The Stevens Model 520 was built on a Browning patent and so marked. Stevens also built the gun for Sears before World War II under the 'Ranger' tradename, so if you have a slide-action shotgun marked 'Ranger' and 'Browning Patent' then that is what you have.
Yes this is a slide action .22
50-500 usd
The value of a Stevens model 77 slide action repeating shotgun depends on its condition. This gun in excellent condition is valued between 75.00 and 110.00 as of 2014.
AFAIK, there is no Winchester Model 90A. Is it a lever action, slide action, bot action, semi-auto or single shot? What caliber? What type and length of barrel?
$75-$150
1930 if you are referring to a Model 1890 slide action rifle.
Winchester model 25 solid frame shotgun
The stevens model 77 slide action shotgun was made from 1955-1971.
The savage model 29 slide action .22cal rifle was made from 1929-1967.