Australia - International - OTC.
Delivery form: IAO-DO-3.

  
General characteristics:

Heading and notes: No form number.
Heading on the side-mast is OVERSEAS TELECOMMUNICATIONS COMMISSION (AUSTRALIA)
over INTERNATIONAL TELEGRAM.
Message area: Blank.
Reverse side: Blank.
Colours (text & form): Red or purple on cream.
Size of form overall: 208 mm wide.
Distinctive characteristics of this form:
 
IAO-D-3A IAO-DO-3A.

New York to Melbourne,
2 October 1960.

Characteristics:

  • has an OTC watermark printed in the message area;
  • the two lines of the sidemast are formated independently;
  • sidemast is reverse printed;
  • no telephone numbers in the sidemast.
3Ba IAO-DO-3Ba.

Zurich to Sydney.
12 February 1962.

Characteristics:

  • sidemast is direct printed in red;
  • Sydney telephone number is 2-0544.
IAO-DO-3Ba IAO-DO-3Bb.

Lincoln, NZ to Melbourne.
30 September 1962.

Characteristics:

  • sidemast is direct printed in purple;
  • Sydney telephone number is 2-0544.

 
IAO-DO-3Bc.

Lower Hutt, NZ to Adelaide
24 September 1968.

Characteristics:

  • sidemast is direct printed in red with large font for OTC;
  • Sydney telephone number changed to 2-0333.

Address for delivery on reverse.
Adelaide CTO Telegram Office date stamp on reverse.		  
IAO-DO-3C IAO-DO-3C.

Suva, Fiji to Melbourne.
28 November 1980.

Characteristics:

  • sidemast is direct printed in red.
  • sidemast has OTC in smaller font than that used for INTERNATIONAL TELEGRAM (or for the previous format);
  • has OTC in a circle reverse printed between each heading;

Details of use and rarity.

Form
sub-number		 Schedule number Earliest recorded date Rarity rating
DO-3A None 21 April 1960 at CTO Brisbane. NC
DO-3Ba None 12 February 1962 at Sydney. NC
DO-3Bb None 30 September 1962 at Melbourne. NC
DO-3Bc None 24 September 1968 at CTO Adelaide. NC
DO-3C None 27 April 1973 at Sydney. NC