.41 RF. 2.5" barrel length. SN: 103. Possible blued finish to barrel, and brass finish to frame. Smooth walnut bird's head grips. Single action derringer pistol with brass blade front sight. Barrel is marked Fd Claudin Brevete a Paris/COLT/Boulevart des Italiens 38 all to top of barrel in gothic style letting except for "COLT" marks. Item is also marked with a 6/{umlaut} to bottom of barrel and under left grip.