| Heading and notes: | Form No. T. G. 42Y COMMONWEALTH OF AUSTRALIA. |
| Message area: | Blank. |
| Reverse side: | Blank. |
| Colours (text & form): | Dark purple on cream. |
| Size of form overall: | 152 × 202 mm. |
| Size of datestamp box: | None. |
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Details of use and rarity.
| Form sub-number |
Schedule number | Earliest recorded date | Rarity rating |
| None on the form | None | 15 October 1945. | RRRR (used). RR (unused) |
| None on the envelope. | None. | None recorded. | RRRR (used). RR (unused) |