1954 St Andrew's Ambulance Corps 50th anniversary medal

A scarce original 1954 full size unnamed as issued 'St. Andrew's Ambulance Corps 50th Anniversary medal'; silvered example the obverse depicting 'St. Andrew and his cross' within title surround, the reverse inscribed in relief "Corps Jubilee" "Review By H.R.H. Duke of Edinburgh Glasgow 13th Oct. 1954". Very good condition, complete with original silk ribbon.
Diameter 37mm.

'St Andrew's Ambulance Corps' was formed in 1904.