1936 (24th Feb) Riverview to Moggill Postponed Silver Jubilee firing by the rocket, "Orion". Signed by AH Young with 2d KGV tied by Brisbane cds. Red pictorial vignette tied by mauve cachet. "MAIL DAMAGED BY WATER" & "EXPERIMENT POSTPONED ROCKET FIRED 24-2-36" cachets in red & mauve respectively. As indicated, water damaged & slightly stained. 400 flown. AAMC R5a, Cat. $100