No published sn data that I know of.
DO NOT ATTEMPT TO FIRE IT UNTIL IT IS CHECKED OVER BY A COMPETENT GUNSMITH!!!
American Gun Co was a trade name used by H&D Folsom, usually found on single and double barrel shotguns c. 1880-1920. The company began operation about 1860 so it is quite possible that they would have distributed some muzzle loaders. I can't find anything about J Gebhard on Google. I suspect was a hardware store in Ft Wayne Indianna, but the original owner could have had his name engraved on the barrel.
You can find information for the 16 gauge Worthington Challenger single barrel shotgun at most gun stores and pawn shops. Many of these stores offer free appraisals and have knowledgeable clerks.
Double barrel? Single barrel? Model? Need more information in order to be able to answer.
Blue Book of Gun Values
Trade name, 50-100 USD
nitro hunter shotgun single barrel with exposed hammer stamped belknap hdwre and mfg serial 5516
Store brand from turn of the century. Little value.
28 gauge with single barrel How do you find its age and value?
1901 single barrel shotgun, washingtion
Take it to a gunsmith
Probably early part of the century.
A colony that arises form a single mother cell. The colony should not touch another colony. A pure colony consists of 50-72 generations of cells arising from a single mother cell.
Single malt whiskey is malt whiskey from a single distillery. This is as opposed to a blended whiskey which is a blend of malt and grain whiskeys from different distilleries. Single barrel, or single cask whiskey is whiskey that all comes from the same barrel. A single malt whiskey can still be made by blending whiskey from multiple barrels.
Circa 1890-1930. Would have to have more information to get closer. firstname.lastname@example.org
when was the carolina arms 16 gauge single barrel shotgun made
What year is 16 gage single shot Springfield barrel and lug forged one piece inside barrel wwdt
When whiskey is bottled a number of oak barrels are dumped and blended together and bottled. Single Barrel Whiskey is bottled from one single oak barrel. Double barrel whiskey is aged in oak barrels then they are dumped and sometimes the proof is lowered and then put into a second new oak barrel to be aged again.
BARRELED with a single L. Things in a barrel, or pertaining to a gun barrel, or the past tense of to barrel (to put in a barrel, or to move rapidly and recklessly, as a barrel rolling; to juggernaut).
How much is a 16 gage single barrel shotgun model 350A Revelation
You need to find a good gunsmith.
You will have to provide specifics to even have a slim chance of getting an answer. Who made the barrel? What weapon is it on? Where is the number on the barrel?