Greenmount East post office, 25 km from Toowoomba, opened on 2 October 1871 as Greenmount and was renamed Emu Creek on 1 January 1879 before reverting back to Greenmount on 21 August 1901 and then being named Greenmount East in 1910
- Datestamp type 6 (7 November 1912) rated 5R - $100
Greenmount numeral 266 HERE. Greenmount numeral 291 HERE. Greenmount numeral 155 HERE. Greenmount registered HERE. Greenmount date stamps HERE. Greenmount Railway Station date stamps HERE
Datestamp type 6
1912
