What is the value on V350 BB air rifle slide action made by crosman arms co inc in US?

The V350 is a push barrel BB rifle made between 1961-1969. It's a variation of a Quackenbust model 7. The value can not be determined without knowing the condition of the rifle. The price can vary as much as $100 depending on it's condition. Does it still work? Is it in Excellent, very good, good, fair or poor condition? Is it a V350M? Re-post the question with more information if you want an estimate of value.