.44 Special. 6.5" barrel length. SN: 13661. Nickel plated finish with casehardened hammer and trigger mounting bone grips. Double action hand ejector six-shot revolver with topstrap notch and forged hemispherical front blade sights. Item features a five screw frame with the early triple locking system and a pinned barrel. Serial numbers match on the cylinder, frame barrel, and on the interior face of the star extractor. The markings include Smith & Wesson's monogram proof on the right sideplate and a caliber mark to the left barrel. Top of the barrel displays a two-line address and patent mark reading SMITH & WESSON SPRINGFIELD MASS. U.S.A. PAT'D MAR. 27. 94./MAY. 21. 95. AUG. 4. 96. DEC. 22. 96. OCT. 8. 01. DEC. 3. 01. FEB. 6. 06. An assembly number of 6972 has been struck into the interior frame and crane.