Neumann Bros Shotgun Serial Number Location -

: Numbers and proof marks are frequently stamped on the bottom of the barrels, specifically near the barrel lug or the chamber end.

: The classic Belgian proof mark from Liege, indicating acceptance by the Belgian proof house. Neumann Bros Shotgun Serial Number Location

The first and most important place to inspect is the barrel. This is the standard location for the official serial number on the vast majority of Belgian antique shotguns. : Numbers and proof marks are frequently stamped

| | Estimated Year | Features | | --- | --- | --- | | 1 – 15,000 | 1883–1890 | External hammers; twist steel barrels; “Neumann Bros., Evansville, Ind.” on rib. | | 15,001 – 35,000 | 1891–1898 | Introduction of Damascus barrels; side-clips on receiver; serials on water table and fore-end. | | 35,001 – 70,000 | 1899–1910 | Transition to “Armory Steel”; hammerless models appear; serial numbers consistently stamped in three locations. | | 70,001 – 120,000 | 1911–1919 | Post-WWI production; nickel steel barrels; most have serials on water table and barrel flats only. | This is the standard location for the official

Once the barrels are removed, look at the "flats"—the flat metal surfaces on the underside of the barrel assembly that mate with the receiver.

A Neumann Bros shotgun without a serial number is not illegal. It simply means it was manufactured before 1968. However, if you plan to sell it through a Federal Firearms License (FFL) dealer, be prepared for confusion—many modern dealers are trained to look for numbers that do not exist. Provide them with this historical context or have a written appraisal from a vintage firearms expert.