This is a very nice example of an English sidelock. It is well balanced and feels great between the hands as any well made gun should.

I did not know much of this maker so I did some sleuthing on internet and actually found quite a lot:

Built between 1901 and 1905 by address\'s on rib William Atkinson was the son of Joseph Atkinson of Lancaster. He was born in 1851. By 1871 William had joined his father in the business in Lancaster, but in about 1874 he opened his own business at 52 Stricklandgate, Kendal, Westmoreland; in about 1878 this moved to 8 All Hallows Lane. There may have been a branch of the firm in Preston. In 1874 William and his wife (Eleanor b. 1850) had a son, Joseph Harvey Atkinson, and in 1876 another, Arthur Falder Atkinson (both born in Kendal), they both worked in the business as gunmaker\'s assistants, there were also had two daughters born in Kendal, Edith (b.1873) and Maud (b.1878) who appear to have worked in the business. In 1881 Joseph Atkinson retired and William took over the business in Lancaster re-naming it William Atkinson. In about 1885 the firm moved to 20 Market Street, between 1890 and 1901 they took over the adjoining premises at 18 Market Street. Between 1890 and 1894 the business in Kendal moved to 58 Highgate. Joseph Atkinson died in the late 1890s, and in 1900 the firm Lancaster business was re-named William Atkinson & Sons. By this time the firm had a substantial trade in bicycles. In about 1901 a branch was opened at 11 Skipton Street, Morecambe, Lancashire. This was probably run by one of the sons, it appears to have closed in about 1905. Between 1901 and 1905 the Kendal business became known as Atkinson & Griffin, it appears to have ceased trading in 1925. Between about 1905 and 1909 the firm in Lancaster occupied premises in North Road. In about 1935 the firm moved to 26 Market Street, Lancaster, but the Lancaster business appears to have closed in 1940. In 1955 Thomas Atkinson & Sons was recorded at 19a Stricklandgate, Kendal. Thomas Atkinson was certainly related, perhaps only distantly. The firm appears to have closed in about 1985. *** Note: To see this gun with high resolution photos and a zoom-in feature, go to the vintagedoubles main site and search for the gun ID: 3465 or browse the main site to see our full gun collection.

Price: $2,100.00

Manufacturer: Wm. Atkinson & Sons~ Lancaster, Kendel, and Morecambe ~ A lovely 30" barreled English sidelock for a great price
Model: None
Serial Number: 3155
Ejectors: Yes
Barrels: 30
Barrel Type: Steel
Action: Sidelock ejector
Gauge Info: 12 gauge
Stock Comb: 1 1/2
Stock Heel: 2 1/8
Stock Cast: 1/4
LOP: 14 5/8" ( 14&qu
Weight: 6 lbs. 12 oz.
Choke Left: .042 extra full
Choke Right: .005 Skeet
Proof:Nitro: 2 1/2" nitro
Minimum Wall Thickness Left: .023
Minimum Wall Thickness Right: .028