South Australia - Colonial: 1856-1900.
Cable delivery envelope: ISC-EC-1.
Cable delivery envelope: ISC-EC-1.
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General characteristics:
| Heading and notes: | Form number E. 34. Has TELEGRAPHIC DESPATCH around the Crest with CABLE underneath. |
| Message area: | Blank. |
| Reverse side: | Blank. |
| Colours (text & form): | Blue on white. |
| Size of form overall: | 96 × 146 mm. |
Distinctive characteristics of this form:
- has IMMEDIATE in the lower left corner;
- flap is plain with rounded peak and curved sides. Very deep (57 mm high);
- similar format to the 1st format of the ordinary rate South Australian delivery envelope.
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ISI-EC-1.
Used to delivery a copy of a telegram sent from London to Adelaide on 29 November 1917 via the Pacific Cable.
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AE-DD-1.
Duplicate of a telegram sent from London to Adelaide with Adelaide squared circle date stamp of 29 November1917. Sent in the above Cable delivery envelope. Only recorded example of this DUPLICATE form. |
Details of use and rarity.
| Form sub-number |
Schedule number | Earliest recorded date | Rarity rating |
| EC-1 | None | 29 November 1917 at Adelaide. | RRR |