| Heading and notes: | Possible form number torn off. Standardised interim heading. | 
| Message area: | 6 lines of 5 unnumbered boxes. | 
| Reverse side: | Blank. | 
| Colours (text & form): | Black on dark pink. | 
| Size of form overall: | 172 × 215 mm. | 
| Size of datestamp box: | 33.5 × 39 mm. | 
|  | WI-DU-1A.  Rozelle, NSW to Boulder Characteristics: 
 | 
Details of use and rarity.
| Form sub-number | Schedule number | Earliest recorded date | Rarity rating | 
| DU-1 | None. | 31 January 1914 at Boulder, WA. | RRR |