For use on Service or Mess Dress in the WW1 and WW2 period.

This item has been converted into a pin badge, perhaps as a form of sweetheart brooch.

Wonderful gold and silver bullion construction with an 'O' with an anchor in the middle and King's crown on top.

Scarce in the market in this condition, this fine example would be a fantastic collector's item or present.

Many multi-crew RN aircraft types (e.g. Fairey, Swordfish, Barracuda and Avenger) had Observers on board who acted as the navigator, bomb aimer and radio operator.