This is another unaltered Model 1900 Sight Safety.  This one has seen moderate wear but still retains 50-60% of the blue, blending with smooth wear.  There is no significant pitting.  It has matching numbered slide and frame, and a nice bore.  The markings are all clear and the grips are sound with some dents and dings.  FFL OR C&R REQUIRED.  Price $5,750.  Price reduced $5,250!!