RNZAF Associated Badge Grouping

On offer is a set of four WWII badges that were formerly the property of a gentleman who served with the RNZAF.His name was Langdon but sadly we don't have any further information on him. The group comprises an RAF tie pin in silver gilt with Kings crown and eagle below. This has a pin back but no makers marks. Secondly a fern leaf badge, the emblem of New Zealand, with NZ embossed to the front again in silver gilt. This is also pin back and carries a makers mark to the back J.R.Gaunt London. The same design badge was worn by the NZ Staff Officers as a collar badge. Thirdly we have a brass and enamel winged badge featuring AAC logo to centre and Pupil below. It has a makers mark to the back reading Young & Co. Finally we have a lapel winged badge in brass and enamel with ATC superimposed in the central section over a blue enamel embossed background. We assume the final two badges were obtained during training in the US. So really a mixed bag but no doubt each has a relevance and a story to tell. We assume all dating to WWII. Seeing they have always been together we prefer to keep them that way so for sale as a single grouping.