General characteristics:
| Heading and notes: |
No form number.
Main heading is INTERNATIONAL TELEGRAM. |
| Message area: |
Rectangular window. |
| Reverse side: |
OTC AUSTRALIA logo. |
| Colours (text & envelope): |
Red on white. |
| Size of envelope overall: |
89 × 146 mm. |
- window envelope;
- border extends to both sides of the envelope and about 3 mm top and bottom of the window;
- INTERNATIONAL is in large (14 mm high) uncoloured letters;
TELEGRAM is printed in red block letters; all three formats have the same reverse side;
- the main distinctions amongst the varieties are:
5A: fawn security pattern;
5B: the OTC logo in the security pattern has a thin circle border;
5C:
the OTC logo in the security pattern has a thick circle border.
Distinctive characteristics of this form:
- centre line "Received..." ends with "message";
- line above sender details ends with "Tasmania".
Details of use and rarity.
Form
sub-number |
Schedule number |
Earliest recorded date |
Rarity rating |
| DO-1A |
None |
4 July 1905 at Burnie. |
NC |
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| Where do you want to go next? |
| Return to the top. |
| Previous OTC delivery envelope (IAO-EO-4). |
| Next OTC delivery envelope (IAO-EO-6). |
| Overview of OTC telegraph stationery. |
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IAO-EO-5A.
Unused delivery envelope.
Characteristics:
- security pattern inside is fawn with white dots;
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IAO-EO-5A (reverse).
Reverse side of the above delivery envelope.
Characteristics:
- has OTC AUSTRALIA logo reverse printed on flap (diameter: 19 mm);
- flap has a rounded peak with curved sides (42 mm high).
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IAO-EO-5B.
Unused delivery envelope.
Characteristics:
- the OTC logo used as a security pattern has a thin circle around it (see comparison below).
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Detail of security pattern on EO-5B. |

Detail of security pattern on EO-5C. |
Security patterns on EO-5B and EO-5C.
The two can be distinguished by the thinner circle and the lighter grey background on EO-5B. |
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IAO-EO-5C.
Unused delivery envelope.
Characteristics:
- the OTC logo used as a security pattern has a thick circle around it (see comparison above).
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Details of use and rarity.
Form
sub-number |
Schedule number |
Earliest recorded date |
Rarity rating |
| EO-5A |
None |
13 July 1972 on a Australian Post Office delivery advice docket (AA-DA-4C). |
R |
| EO-5B |
None |
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NC |
| EO-5C |
None |
21 December 1981 at Adelaide. |
NC |