Royal Observer Corps Medal, Observer Lieutenant J. F. Wilson. Rare to a full time Officer’s rank.
Jack Frederick Wilson served with No 1 Group at Maidstone, and was awarded his medal in 1954, so he had been a member since at least 1942 during WW2.
As this is a Senior rank, out of 14318 medals issued, only 184 were to Observer Lieutenants including men and women’s ranks.
Also only 2538 medals were issued as the 1st Type leading up to 1955.