In order to give you an estimate of value I need to know the condition of the rifle. Is it still working? is it in excellent, very good, good, fair or poor condition?
Re-post your question with more information and I will try to give an estimate of value.
By the way, Crosman owns Sheridan and Benjamin air guns & rifles.
its in fair condition but will not hold air, has safety above stock and you hold it down to shoot
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According to "Blue book of airguns" ( Sheridan Blue Streak model CB9) it would be worth around $80 in fair working condition. Unfortunately your will not hold air and would cost around $40 (Best guess) to repair it. If you want it repaired I suggest you go to the link below ( Crosman offers a service to locate repair shops that repair older air rifles)
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