Where to get serial No on ithica model 37?

The serial number on an Ithaca Model 37 shotgun is typically located on the bottom of the receiver, just in front of the trigger guard. In some cases, it may also be found on the barrel or the barrel extension. To locate it, ensure the firearm is unloaded and inspect these areas carefully. If you have difficulty finding it, consulting the owner's manual or contacting a knowledgeable gunsmith can be helpful.