Coolabunia post office, 14 km north north west of Nanango, opened in about December 1909
- Datestamp type 5b (6 July 1910 - 11 June 1913) rated 4R - $35, $75 on cover
Datestamp type 5b
1910
1911
1913
Unknown date
Awarded Large Vermeil at EuroPhilEx 2025. A handbook on Queensland colonial post office datestamps and instructional markings by Dr Jeremy Hodes. To find the date stamp you are looking for select from the alphabetical tabs directly below.