| Heading and notes: | Form Number E.T. 7. Standard Interim heading of Commonwealth of Australia over Post Office Telegraphs, Victoria. | 
| Message area: | 27 boxes in 9 lines of three boxes. | 
| Reverse side: | 42 boxes in 14 lines of three boxes.. | 
| Colours (text & form): | Black on dark pink. | 
| Size of form overall: | 282 × 221 mm. | 
| Size of datestamp box: | 30 × 30 mm. | 
|  | IVI-DC-1. London to University of Melbourne. Characteristics: 
 
 Only recorded example. | 
Details of use and rarity.
| Form sub-number | Schedule number | Earliest recorded date | Rarity rating | 
| DC-1A | None. | 23 June 1906 at Fitzroy, Vic. | RRR |