C02 comes in packs of 5, 10, 15 and 25 and 40 C02's A pack of 5 cost between $6 to $7. So figure around $1.30 each.
125 or so
$75-$100, depending on condition. Low cost firearm of indifferent quality.
Right around $80 +or -.
about $85 --------New Answer---------------- As of Sept, 2011 the Daisy Grizzly cost about $35.50. Crosman never made a Grizzly model air rifle.
50 or so
$8500.00
25-50 dollars
The model 454 was made between 1972 - 82. you did not state the condition of the pistol so it is not possible to answer you as to the value,
40-200 usd
100-1000+ depending on specifics
The Model 761 made by Crosman was made between 1978 to 1981. It is no longer in production. Therefor no one has a new one for sale.
The Crosman model 454 was made between 1977-1982, in two variations it was modeled after the Colt Woodsman. It is a 16 shot BB C02 pistol. It good condition it is worth between $25 - $30.