Manafacturer date of Knickerbocker double barrel 12 gage?

The Knickerbocker double barrel 12 gauge shotgun was manufactured by the Knickerbocker Arms Company, which operated primarily in the early 20th century. However, specific manufacturing dates can vary, as the company produced firearms from around 1901 until it ceased operations in the 1930s. To determine the exact date of a particular shotgun, one would typically need to reference its serial number or consult industry records.