US WWII GI’S POCKET SIZE PERSONAL BIBLES AND PRAYER BOOKS AS GIVEN TO THE TROOPS, REF 9/195:

US WWII USN “INTERNATIONAL MORSE CODE” POCKET “SIGNAL DISK”, 3 1/2″ X 6″ PAPER TRAINING AID WITH ROTATION DISKS ON EACH END, 1917 COPYRIGHTED WITH 1942 LAST PATENT DATE, OPPOSITE SIDE HAS “SEMIPHORE” TRAINING DISKS, MANUFACTURED BY “STANDARD NOVELITY CO, CALIF”, VG+