This in reality is a Crosman model 150 made for Sears. If you want an estimate of value them you will have to state the current condition of the pistol. something like Poor, Fair, Good, Very Good or Excellent condition. Without that information it is not possible to answer you.
50-150 USD
I don't know, but I have one also... someone told me about $100.00?
a train
what is the value of a sear,roebuck model 53 cal. 30-06 model#-273.1830 and what year was the production of them.
Springfield
Its worth between $350 and $600 bucks.
The value of a 22 SLLR Sear Roebuck model 42-103.19791 depends on its condition. This gun in excellent condition is valued between 85.00 and 125.00 as of 2014.
That is the part which releases the hammer or striker to discharge the gun.
For a "General" SEar Catalog, $50 to $150, depending on condition
Check the barrel and receiver.
In useable condition they bring $50 to $100 on Ebay and craigslist. With good original paint and the original motor them maybe more.
Try e-gunparts.com