| Main centres: | 1-3 business days |
| Regional areas: | 3-4 business days |
| Remote areas: | 3-5 business days |
Country & Era: Australia, King George VI period.
Subject: A detailed engraving of a Platypus (Ornithorhynchus anatinus) swimming along a riverbank amidst aquatic reeds.
First Issued: September 1, 1938.
Face Value: 9^{\text{D}} (9 Australian Pence, pre-decimal currency). This denomination was frequently used to cover specific domestic airmail surcharges and lightweight international letter rates.
Color: Charcoal / Sepia / Dark Brown.
Technical Variants: 1. 1938 Original Issue: Printed on paper watermarked with the C of A
