Lot of 20 US Navy Submarine First Day Cover FDC****1939-1940***.

***Please see photos for the condition of the FDCs. These were collected by my Granfather, a Submariner who, during WW2, collected these FDCs it as a secret society of them that collected these. Th organizations is known as A.N.C.S America Naval Cancellation Society. They range from Keel being laid to Deep Dive, Shakedown Cruises.****