What is the value of the 1924 crosman 22 air rife in good condition?

The 1924 was the second rifle model made by Crosman. It was the first Crosman underlever model made, before that it was the 1923 model that had a plunger pump under the barrel. Your model was made between 1923 -24 and in Good condition it is worth between $1,450 to $1,875.

Source Blue book of airguns 10 edition