Colnect-1925-372-Overprint-%E2%80%9COS%E2%80%9D.jpg
Source: Colnect
Issued by: Australia
Function: airmail official
Date: 11/17/1931
Denom: 6d
Overprint: O S
Ovpt color: black
On: airmail 11/4/1931 6d
Color: olive brown
Design: airplane over hemispheres
Watermark: unwmk
Perf: 11
Inscription: AUSTRALIA
Catalog value:



Catalog numbers:
Sc CO1


External links:
Colnect 301763..ceanic_flights

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