Australia: Hallmark Privatley Manufactured Aerogramme Form

Privately manufactured aerogramme form (Hallmark trademark) sent from GAWLER (2 JA 81) to Germany franked with two adhesives matching the 33 c aerogramme rate.

This aerogramme form was "Approved by Australia Post as Aerogramme No. 17 VIC".

There is a large variety of Hallmark aerogramme forms, definitely more than 60 different designs. However, these are not very often seen used.