This Lyman Short Range Tang Sight is in Excellent Condition with 97% original blue. I believe this is called a No. 1, 2nd Variation. It has the 1879 and 1884 patent dates with Lyman address across the base. The bottom of the base is marked with the code "D". This code is for the Winchester Models 1892 (ALL calibers, 32-20, 38-40, 44-40, and 25-20) AND the 1894 in black powder cartridges 32-40 and 38-55. Comes with original mounting screws for the which go in the tapped hole on the upper tang and the upper tang screw.