Great Britain Machins by Adminware

20p black

Water-activated gum
First seen: Sep 26, 1989

Harrison & Sons / Photogravure

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Northern Ireland
Scotland
Wales

Also exists:

20p olive green (Large size)
20p purplish grey
20p sea green
20p black and cream (Anniversary)
20p black (no cream) (Anniversary)
20p light green
20p light green (Data Matrix Code)

Paper	Other identification	Issue date	Source	Booklet singles	Gum

ACP		Sep 26, 1989	Sheet		Dex
ACP	Screened value	Sep 26, 1989	Sheet		Dex
ACP		Oct 2, 1989	Booklet	DP133 - imperf left DP133 5 x 20p black - imperf left & cut bottom DP133 5 x 20p black - imperf right DP133 5 x 20p black - imperf right & cut bottom DP133 5 x 20p black	Dex
ACP		Oct 16, 1989	Coil (vert)		Dex
ACP		Oct 16, 1989	Coil (horiz)		Dex
ACP	Screened value	Dec 15, 1989	Booklet	DP133 - imperf left DP133 5 x 20p black - imperf left & cut bottom DP133 5 x 20p black - imperf right DP133 5 x 20p black - imperf right & cut bottom DP133 5 x 20p black	Dex
2-band (9.5mm) A phosphor
FCP		Oct 2, 1989	Booklet	DP132 - cut left & bottom DP132 2 x 15p light blue 1 x 20p black	Dex
FCP	torn all around only	Mar 20, 1990	Booklet	DP147 London Life Prestige booklet DP147 London Life Prestige booklet 1 x 15p light blue 1 x 15p light blue (Anniversary) 1 x 20p black 1 x 20p black (Anniversary) 1 x 29p purple (Anniversary) 1 x 50p sand 1 x 1st black 1 x 2nd light blue	Dex

20p black

Northern Ireland
First seen: Nov 28, 1989

Questa / Lithography

Paper	Symbol Type	Other identification	Issue date	Source	Gum	Pic?	Checklist	Want?

ACP	Symbol 2b		Nov 28, 1989	Sheet	PVA

20p black

Scotland
First seen: Nov 28, 1989

Questa / Lithography

Paper	Symbol Type	Other identification	Issue date	Source	Gum	Pic?	Checklist	Want?

ACP	Symbol 2		Nov 28, 1989	Sheet	PVA

20p black

Wales
First seen: Nov 28, 1989

Questa / Lithography

Paper	Symbol Type	Other identification	Issue date	Source	Gum	Pic?	Checklist	Want?

ACP	Symbol 2		Nov 28, 1989	Sheet	PVA

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For even more varieties on Machin stamps, check out The Complete Deegam Machin Handbook (simply the best Machin
handbook available anywhere) by Douglas Myall - click for details.

Booklet pane numbers used courtesy the Modern British Philatelic Circle
who publish 'The Bookmark' Catalogue