Dynblane War Hospital 1918 war service badge

A rare original First World War period 'Dynblane War Hospital 1918 badge', gilt brass laurel surround, the central red enamel cross displaced by a scalloped edge gilt circlet, bearing the Latin motto 'Dum Spiro Spero' (While I breathe, I hope) within. Very good condition, complete with original pin fittings, no damage to the enamel.Diameter approx 32mm.