| Heading and notes: | Form number T.G. 65H which was replaced in 1970 with T.X. 65H. TELEGRAM in top left corner with boxed "CONFIRMATORY COPY ..." underneath. |
| Message area: | No slogans above or below rectangular window. |
| Reverse side: | Two slogans. |
| Colours (text & envelope): | Green on white. |
| Size of envelope overall: | (A) 85 × 136 mm. (B) 90 × 145 mm. |
The main distinctions amongst the varieties are:
| Format: | Form number | Flap design | Top slogan | Lower slogan |
| 3A | TG 65H | Rounded and shallow for 3Aa. | TO EXPEDITE DELIVERY ... TO A TELEPHONE NUMBER |
PLEASE POST ... |
| 3B | TX (T.G.) 65H | Pointed peak with straight sides. | TO EXPEDITE DELIVERY ... TO A TELEPHONE NUMBER |
PLEASE POST ... |
| 3C | TX 65H | Rounded peak with straight sides. | TO EXPEDITE DELIVERY ... OR TELEX NUMBER. |
1872-1972 Adelaide-Darwin Overland... |
| 3D | TX 65H | Rounded peak with straight sides. | TO EXPEDITE DELIVERY ... OR TELEX NUMBER. |
PLEASE POST ... |
| 3E | TX 65H | TO EXPEDITE DELIVERY ... OR TELEX NUMBER. |
ADDRESS MAIL ... POSTCODE |
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| 3F | TX 65H | ADDRESS MAIL ... POSTCODE |
TO EXPEDITE DELIVERY ... OR TELEX NUMBER. |
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| 3G | TX 65H | Pointed peak with straight sides. | None | TO EXPEDITE DELIVERY ... |
| AA-EC-3Aa (65). | |
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![]() Reverse side showing two advertisements and flap. |
Characteristics:
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AA-EC-3Aa (65): Schedule number printed on left. |
AA-EC-3Ab (65): Schedule number printed on right. |
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| AA-EC-3Ab (66) to AA-EC-3Ag (68):
Characteristics:
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![]() AA-EC-3Ac (66): Printed in 1966 by DOWNLANDS SECRETIVE: Detail under flap. |
| AA-EC-3B (70). | |
![]() Printed in 1970 by B&P VANLINER OPAQUE. |
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Characteristics:
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AA-EC-3C (71) - the Overland Telegraph commemorative. |
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![]() Printed in 1971 by SGGS GRAYSMITH. |
![]() Reverse side showing Overland Telegraph annotation. |
Characteristics:
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![]() AA-EC-3Ca (71): No schedule number printed. |
![]() AA-EC-3Cb (71): Schedule number printed under flap at right. |
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![]() Printed in 1972 by SGGS GRAYSMITH. Used at North Melbourne Telegraph Office 8 December 1975 (RRRR). |
![]() AA-EC-3D (reverse side). |
Characteristics:
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![]() Printed in 1973 - probably three printings by B&P. Characteristics:
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![]() AA-EC-3Ea: no printer details and no schedule number.
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AA-EC-3Eb: no printer details but schedule number (5589/73) at right. |
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![]() AA-EC-3Ec: printer logo for B&P and schedule number (5589/73) at left. |
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| The first format (EC-3Ea) was probably printed in early 1973. The new wording for the second slogan incorporates POSTCODE and is the same for all three envelopes above - two certainly from 1973 printings. The flap design is also the same for all three envelopes. Details under the flap may therefore be added progressively. |
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![]() Printed in 1974 by B&P Griffin. |
![]() AA-EC-3Fa: Schedule number printed under flap at left. |
![]() AA-EC-3Fb: Schedule number printed under flap at right. |
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Characteristics:
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![]() Printed in 1975 by B&P Griffin. |
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Characteristics:
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Details of use and rarity.
| Form sub-number |
Schedule number | Earliest recorded date | Rarity rating |
| EC-3Aa (65) | SCH C.T.B - 2948 - 65 (left) (DOWNLANDS SECRETIVE) |
As previously, all type EC-3 Confirmatory envelopes are rated as C except those which are clearly dated and tied to a telegram form which are rated as RR. | |
| EC-3Ab (65) | SCH C.T.B - 2948 - 65 (right) (DOWNLANDS SECRETIVE) | ||
| EC-3Ac (66) | SCH. C.T.B. 3229 - 66 (right) (DOWNLANDS SECRETIVE) |
6 July 1967 at Hobart. | |
| EC-3Ad (67) | SCH. C.T.B. 3229 - 67 (right) (DOWNLANDS SECRETIVE) |
16 May 1968 at Telegraph Toowoomba. | |
| EC-3Ae (68) | SCH. C.T.B. 3773 - 68 (right) (REDI-VIEW) |
19 January 1970 at Mount Gambier Telegraph Office, SA. | |
| EC-3Af (68) | SCH. C.T.B. 4135 - 68 (left) (B&P VANLINER) |
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| EC-3Ag (68) | SCH. C.T.B. 4135 - 68 (right) (B&P VANLINER) |
25 June 1970 at Hobart. | |
| EC-3B (70) | SCH. C.T.B. 4135-70 (B&P VANLINER OPAQUE) |
11 November 1970 at Hobart. | |
| EC-3Ca (71) | No schedule number. (SGGS GRAYSMITH). |
20 December 1971 at Hobart. | |
| EC-3Cb | 15654/71 (right) (SGGS GRAYSMITH) |
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| EC-3D | 16214/72 (right) (SGGS GRAYSMITH) |
8 January 1973 at Adelaide. | |
| EC-3Ea | No schedule number. | ||
| EC-3Eb | SCH. CTB 5589/73 (right) (No printer information) |
15 April 1976 at Hobart. | |
| EC-3Ec | SCH. CTB. 5589/73 (left) (B&P) |
30 January 1974 at Hobart. | |
| EC-3Fa | SCH. CTB 5811-74 (left) (B&P Griffin) |
30 December 1975 at Adelaide. | |
| EC-3Fb | SCH. CTB 5811-74 (right) (B&P) |
5 January 1975 at Hobart 2. | |
| EC-3G | SCH. A.T.B. 6109 - 75 (right) (B&P Griffin) |
23 May 1985 at Hobart. |