US WWII Era Distinctive Unit Insignia, Screwback, 7th Infantry Regiment, Lot of 3

Original period manufacture. Lot of three original screwback DI's, Distinctive Unit Insignia, as worn by soldiers of the 7th Infantry Regiment, United States Army. All are of NS Meyer mfg, Minor enamel damage on the top DI, the other two are quite sound. During WWII the 7th Infantry served with the 3rd Infantry Division, North Africa, Sicily, Italy, Northwest Europe.