CROSMAN 38T .22 CAL. AIR PISTOL VALUE?

I have a Crosman 38T .22 cal. air pistol that was bought back around 1970 and it is in excellent to mint condition. I need to find out how much it is worth. I've found 38T's on this auction site for $80.00-$85.00 but, they are .177 caliber. I can't find a .22 caliber version even on the other gun auction sites. So, if somebody could tell me what it is worth, I would really appreciate it!

Bubba " There is no such thing as having too many guns!"