IAO-EO-6

Australia - International - OTC.
Ordinary rate delivery envelope: IAO-EO-6.

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Special aspects

General characteristics:

Heading and notes:	No form number. No heading.
Message area:	Window.
Reverse side:	Blank.
Colours (text & envelope):	White paper.
Size of envelope overall:	90 × 146 mm.

Distinctive characteristics of this form:

window delivery envelope;
window is unbordered (42 × 115mm) and has rounded corners;
can see through the window to the OTC logo as the security pattern.

IAO-EO-6

IAO-EO-6.

Unused window deliver envelope.

IAO-EO-06 rev

IAO-EO-6 (reverse).

Reverse side of the above delivery envelope.

Shows typical OTC flap with rounded peak and straight sides.

Details of use and rarity.

Form sub-number	Schedule number	Earliest recorded date	Rarity rating
EO-6	None		NC