Circa 1920
35mm x 28mm
Crossed torpedoes in white gold pavé set with thirty-six round cut diamonds over a yellow gold and red enamel sea mine representing the Portsmouth shore establishment’s badge, over a yellow gold and blue enamel motto scroll, inscribed ‘Vernon Semper Viret’ (Vernon always flouishes), the whole surmounted by a white gold naval crown formed of alternate ships' sterns also pavé set with diamonds.