Royal Navy HMS Black Prince white faced enamel sweetheart brooch

A rare First World War gilt and enamel, white faced enamel naval brooch, very good condition, original pin fittings, no damage to the enamel.
Height 33mm.
Battle of Jutland HMS Black Prince was a Duke of Edinburgh-class armoured cruiser, launched in 1904, she was sunk at the Battle of Jutland in 1916.