A PAIR OF ROYAL NAVY GUNNERY BADGES

A NICE PAIR OF GUNNERY BRANCH BADGES FOR THE ROYAL NAVY. LEAD RATING . POSSIBLY UNDER WATER CONTROL (C). SML HOLE NEAR THE BOTTOM NOT ALL THE WAY THROUGH. ( LEFT BADGE IN PICTURE).

I ADMIT TO GETTING BOGGED DOWN IN THE NAVAL RATINGS HANDBOOK! SURE OF PERIOD BUT FEEL FREE TO ADVISE IF I HAVE GOT ANYTHING WRONG. KEEN TO LEARN. THANKS