Built by Lefaucheux in Paris, this revolver is a converted pinfire to 11mm centerfire and was used by the Swedish military from 1879 to 1890. The top of the barrel is marked "E. LEFAUCHEUX BRTE S.G.D.G. A PARIS", the lower left side of the barrel lug is marked "INV IN E. LEFAUCHEUX / BREVETE SGDG PARIS". The right side of the rear barrel flat is marked with three "crown" proofs and the right side of the barrel lug is marked "LF 80504". Pinched front and hammer notch rear sights. Six round unfluted cylinder, ejector rod on the right side of the barrel lug, blue barrel and cylinder with casehardened remaining parts, and fitted with smooth varnished walnut grips. The upper right grip flat is stamped with the letter "S".