I assume you are asking about the Crosman model 36 Frontier. If this is the right pistol then please state the condition of the pistol to get an estimate of value. Is it in Poor, Fair, Good, Vary Good or Excellent condition?
It would be worth between $65 - $75. Add 20% for the box
100-500 USD
50-125
$140.00
The Crosman 38T Target came in .177 & .22 caliber. It was manufactured in 3 different variations over the years. (1964-85) In excellent condition it is worth around $90 plus another 20% for the original box.
Contact the maker for a list of repair centers.
Daisy provides a web page to help you get more information about your pistol. ( Daisy made air guns for sears that began with the numbers 799. ) see the link below
50-500 usd
From the Glock company itself, it retails at $499.00
100-300 USD or so
This is the best I can do. (see the link below)
50-1000 USD depending on specifics