WW1 British / Australian Officers Tropical Service Dress Tunic

A lovely but unusual example of the officers pattern four pocket service dress tunic. Light khaki cotton four pocket tunic with brown fiber buttons. Overlocked holes to the left breast above the pocket, a provision for ribbon bar or as suggested to me possibly a pair of detachable pilots wings? There is faint evidence of having a cloth wing sewn on but now removed. Also interestingly is has had, but now gone and missing, a pair of detachable shoulder epaulettes. Integral waist belt with brass double claw buckle.
Has an overall nice washed worn look but no damage. Not named or dated.

Code: 2169