John and Reginald Duigan - Aviation Pioneers - I(BR) 6 c — Australia, 1970
John and Reginald Duigan - Aviation Pioneers - I(BR) (Australia, 1970), face value 6 c, “Famous Australians (3rd series)” series. Photo, catalogue value…
- Series
- Famous Australians (3rd series)
- Issue date
- 1970
- Face value
- 6 c
- Colors
- Blue | Pale blue