Proofhouse.com has a store brand chart that might help. Usually Western Auto store brand firearms were utilitarian. Good, serviceable firearms.
www.youtube.com/watch?v=4BHcjLopWYE 1959 High Standard Double Nine, .22 LR, Western Auto Revelation Model "76"
Most likely it's a Mossberg 321-320
Western Auto sold several 22 long rifles. I need the model number to help identify it.
Mossberg made them under the Western Auto name.
See a gunsmith
Revalation was a brand name of the Western Auto Hardware Company. Many guns were manufactured for Western Auto by Mossberg, Marlin, and perhaps others that had the Revalation name. They have not been sold for years now and any in stock would be used guns.
what is a revalation 12 gauge auto worth in poor condition
Your Western auto model 150M was made for them by Marlin.The Marlin model 49 and your model 150M are one and the same firearm.the Marlin model 49 was a promotional model made by Marlin from 1968-1970.
High Standard 1959
$150.-$300. depending on condition.
Revelation was a store brand used by Western Auto. Many companies made guns for them under that name. Can't tell you more without more info from you.
It would help if you gave the make, caliber, and condition of the pistol when you asked this question. Without that it all guess work.