By model, caliber and serial number.
It would be almost impossible to identify a gun just by its serial number.
By maker information.
Basically impossible to identify with just the serial number.
Books, gun shows, gun shops, pawn shops.
No. You should take it to a gun dealer to help identify it.
No. It's best to take it to a gun shop to help identify it.
Answers.com does not support images so there is no way to see or identify your air gun.
Library, gun shop, gun show, pawn shop
Gunsmiths, gun collectors, gun-oriented internet forums, you might find someone at the gun show who'll know something about it.
look at it. if it looks old then its old.
On the outside edge of possible.
You need to Identify the make and model of the BB gun in order to get an answer not the serial number