I agree the Pachmayr grips may be more comfy, but there is just something soooo appealing about the look of the checkered medallion grips.

Bore is not perfect, but still very shootable.

As for serial, the cylinder, under barrel and butt says 2031XX, the crane says 370XX and the backstrap says 215XX very faintly in a different font.

Someone mentioned the rear sight.