Queen Elizabeth II - Decimal Machin

Headtype IIIa (One curved line in the hair below the Diadem next to the front curl; graduated background; flat base of the bust; regular necklace pearls, pointed front of the bust)
White or bluis.. Read more »h illumination under the UV lamp.
Value type: I (Little Digit (4.15 mm * 2.85 mm)).
Position of 12½: 1.60 mm from the left edge; 2.80 mm from the bottom edge.
SG colour = "yellowish green".

Country:	United Kingdom
Type:	Postage stamps
Series:	Queen Elizabeth II - Decimal Machin - Normal Perfs
Nominal:	12 p
Year:	1980
Material:	coated, fluorescent (FCP), two phosphor stripes (12 mm spacing)
Size:	21 x 24 mm
Perforation:	comb 15 x 14