Vintage Franzite Checkered Celluoid Pistol Grips With Screw

Believed to be Franzite Police Positive Special celluoid pistol grips with a checkered texture on both sides. However, I don't find any branding on them. Probably made somewhere between 1930s and the 1950s. • Includes one screw for assembly • Textured finish on grips for improved hold • Designed to fit specific firearm models Condition - Appears to be a crack on one side near the middle of the grip. See close-up photo. Also, the brand medallions are missing in the circular area on the outside of the grips. Measures - Length = 3.5 inches x 1.75" at widest part of the grip. F100325