Progression of Navy Nurse Corps Collar Device pins from 1918 to Present. Nine pins representing four time periods in the Navy Nurse Corps history. Two pins from 1918, representing the second iteration of the Nurse Corps insignia, fouled anchor with and oak leaf and acorn and “NNC superimposed on the leaf. Three pins from 1923-1942 representing the third iteration of the Nurse Corps insignia, fouled anchor with and oak leaf and acorn. Reduced in size and without the “NNC”. Two pins from 1947-1954 representing the fifth iteration of the Nurse Corps insignia. These pins are just gold oak leafs with rounded edges. Two pins dated “present”representing the latest iteration of the Nurse Corps insignia. These pins are gold oak leafs but with pointed edges to look more realistic.
