Queen Elizabeth II - Decimal Machin

Headtype IId (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; very sharp, relief-like drawing.. Read more », finely textured background).
PVA gum bluish green
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.
One elliptical hole in each vertical side.
SG colour = "bright green".
Only issued in booklet SG DX19.

Country:	United Kingdom
Type:	Postage stamps
Series:	Queen Elizabeth II - Decimal Machin - Syncopated Perfs
Nominal:	20 p
Year:	1997
Material:	non phosphorised (OFNP), one phosphor stripe right (4.75 mm)
Size:	21 x 24 mm
Perforation:	Syncopated 14¾ x 14¼