A superb pair of Port and Starboard lights, Masthead, Port and Starboard.  Stamped 'Bow. Port. Patt 23 and Bow. Starboard. Patt 24' Both complete with burners, shades, and glasses. They stand approx 40cm high x 20cm across the sides. 
These items were given to Lady Doorman, wife of the Governor General of Malta and then by descent.