Australia - Telecom years: 1975-1988.
Confirmatory Copy envelopes: AT-EC-4.

  
General characteristics:

Heading and notes: Form number TX 65H.
TELEGRAM in top left corner.
Message area: Same as previous but incorporates
TELECOM AUSTRALIA below window.
Reverse side: One slogan at base.
Colours (text & envelope): Green on white.
Size of envelope overall: 89 × 145 mm.
Distinctive characteristics of this form:
 
AT-EC-4A  
AT-EC-4 AT-EC-4_rev
Printed in 1976.

Characteristics:

  • same large window as previous format (EC-3) 44 mm high;
  • large wavy line security pattern printed inside.
 AT-EC-4A (reverse side).

Characteristics:

  • rounded flap with straight sides;
  • single slogan "TO EXPEDITE DELIVERY ..." at base;
  • schedule number under right side of flap.
AT-EC-4B  
EC-4B 4B flap
AT-EC-4B (reverse).

Characteristics:

  • has logo in front of TELECOM at base on front;
  • has basket weave security pattern;
  • flap and logo on reverse side is the same as for EC-4A;
  • has OLYMPIC printer's logo printed on the inside of the flap;
  • no schedule number.
AT-EC-4C. AT-EC-4C (reverse).

4C front
Characteristics:

  • same format for design as for previous format although slightly smaller font;
  • different security pattern and in blue visible for inside;
  • has accompanying delivery form AT-DO-15C.

4C back
Characteristics:

  • only one advertisement on the reverse side;
  • flap is a broad curve.

Details of use and rarity.

Form
sub-number		 Schedule number Earliest recorded date Rarity rating
EC-4A SCH. C. 8551/76. 24 February 1977 at Hobart. NC
EC-4B None.   NC
EC-4C None. 7 August 1988 at Hobart. R