White bone china side plate, transfer-printed in gold on the rim with an Admiralty seal device surmounted by a St Edward's crown (a foul anchor surrounded by the inscription 'SIGIL : OFFI : MAG : ADMIR : MAG : BR : &C'). Government issued china, as used by Royal Navy commanding officers and later flag officers between 1955 and 1969. The maker's mark is printed on the base.