Great Britain Machins by Adminware

4p cobalt blue

Water-activated gum
First seen: Jul 26, 1988

Harrison & Sons / Photogravure

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Elliptical perf
EME image

Multi-value coil

Yellow vs. blue phosphor bands

Also exists:

4p rust brown
4p turquoise

Paper	Other identification	Issue date	Source	Gum

ACP	Screened value	Jul 26, 1988	Sheet	Dex
ACP	Screened value	Oct 10, 1989	Coil (horiz), multi-value	Dex
OFPP		Jan 31, 1995	Coil (horiz)	Dex

4p cobalt blue

Elliptical perf
First seen: Dec 14, 1993

Enschede / Gravure

Paper	Other identification	Issue date	Source	Gum
2-band (9.5mm blue) phosphor
OFNP		Nov 2, 1995	Sheet	PVA
2-band (9.5mm yellow) phosphor
OFNP	AY2 phosphor	Dec 14, 1993	Sheet	PVA
2-band (9mm violet) phosphor
OFNP		Aug 1, 1996	Sheet	PVA

4p cobalt blue

EME image
First seen: May 27, 1997

Gravure

Paper	Printer	Other identification	Issue date	Source	Gum

OFPP	De La Rue		May 22, 2000	Mini sheet	PVA
2-band (9mm blue) phosphor
OFNP	Harrison & Sons		May 27, 1997	Sheet	PVA
2-band (9mm violet) phosphor
OFNP	De La Rue	Dull, medium, bright paper	Apr 1, 2003	Sheet	PVA

Multi-value coil

Yellow vs. blue phosphor bands

(i-Phone photograph)

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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