70-100 yrs; 50-100 USD
Serial numbers were not required before 1968. Check the barrel and receiver.
AFAIK, there is no published sn data on Crescent Arms.
THey were made by crescent firearm company.
between the stock and the barrel
Check the barrel and receiver
Slide the Top Lever to the right to open the chamber. Turn the shotgun upside down. Look at the end of the barrel between the receiver and barrel. Get a flashlight and you'll see a series of numbers stamped in the bottom of the barrel.
Probably.
It will be marked on the receiver/barrel.
Try the receiver, barrel, forend
Check the receiver and barrel
If you have a Model 30 pump shotgun, the barrel is not intended to be removed by the user. To do so requires specialized tools such as a receiver block and a barrel wrench. You can clean and lube the shotgun with the barrel attached to the receiver. Contact Savage Arms Customer Service and get an owner's manual for your shotgun.
Look on the receiver and barrel.