Queen Elizabeth II - Decimal Machin

Headtype IIb (Two curved lines in the hair below the Diadem next to the front curl; dark background; curved base of the bust; irregular necklace pearls, one is missing), bust closer to the bottom edge.. Read more ».
Phosphor stripe with fluorine addition. Lights up blue violet at 253.7 nm
Value type: II (Slim 0)
Position of 20: 1.10 mm from the left edge; 3.15 mm from the bottom edge.
(Michel GB Special: 1630.33.1)
One elliptical hole in each vertical side.
SG colour = "bright green".

Country:	United Kingdom
Type:	Postage stamps
Series:	Queen Elizabeth II - Decimal Machin - Syncopated Perfs
Nominal:	20 p
Year:	1996
Material:	non phosphorised (OFNP), one central phosphor stripe
Size:	21 x 24 mm
Perforation:	Syncopated 14¾ x 14¼