The picture below shows a larger view of this UnitedStates Navy U.S. Naval Submarine Base Ceramic or Porcelain Advertising Coffee Cup. It does not indicate what base this was from. There is an insignia with a nuclear submarine, rope, and the Submarine Warfare insignia. The cup is white imprinted in gold with a gold ring and rim. It is marked as follows:
U.S. NAVAL SUBMARINE BASE
The cup or mug measures about 4-3/4'' tall. It appears to be in mint unused condition as pictured.