COLT NEW SERVICE DOUBLE ACTION REVOLVER WITH PROVENANCE. Cal. 45 Colt. S# 85867. Bbl 5 1/2". New Service originally chambered in .455 Eley manufactured by Colt and shipped to the London Armoury Company in London, England in 1915. The left side of the barrel is stamped "NEW SERVICE 455 ELEY" below a later applied "CAL. 45 COLT" stamp (indicating conversion to .45 ACP), with Colt's 2 line address across the top. Left side of frame bears the Rampant Colt logo and "VP" proof, with Canadian proofs stamped overall. Rear grip strap is stamped with a lined out "P.P.C.L.I 4.E.27" unit mark, indicating issue to the Princess Patricia's Canadian Light Infantry regiment. Former unit marking is mostly legible, reading "H (?) 2 COY 12 CMGC 15" indicating issue to the 2nd Company, 12th Platoon, Canadian Machine Gun Corps. Metal components are blued, with the frame being mounted with 2 piece Colt checkered brown hard rubber grips. UNATTACHED ACCESSORIES: Colt factory letter indicating that this example was 1 of 600 New Service revolvers shipped to the London Armoury Company in London England on July 31st of 1915, Ancestry Guns listing & letter of authenticity, as well as a brief summary of the Princess Patricia's Canadian Light Infantry regiment. CONDITION: metal components retain large amounts of what appear to be their original factory high polish blue finish, exhibiting wear and thinning overall that shows through to a pleasant gray patina that mixes with the bluing, as well as some light surface oxidation overall. Mirror bore, exhibiting strong rifling throughout. Grips show smoothing and a few scattered marks from handling and storage, but otherwise remain sturdy and serviceable. A scarce and extremely desirable and a Canadian double unit marked Colt New Service revolver. (23-1461/MLW). CURIO. $1,200-1,800.