Queen Elizabeth II - Decimal Machin

Headtype IV (One curved line in the hair below the Diadem next to the front curl; light background; flat base of the bust; reinforced outer lines at the back of the head, on the pearl necklace and on .. Read more »the front of the garment).
White or bluish illumination under the UV lamp.
Value type: I (Wide Digit (6.00 mm * 3.25 mm))
Basic position of 50: 0.30 mm from the left edge; 2.70 mm from the bottom edge.
(Michel GB Special: 731.12.1)
SG colour = "ochre-brown".

Country:	United Kingdom
Type:	Postage stamps
Series:	Queen Elizabeth II - Decimal Machin - Normal Perfs
Nominal:	50 p
Year:	1977
Material:	coated, fluorescent (FCP), two phosphor stripes (10.5 mm spacing)
Size:	21 x 24 mm
Perforation:	comb 14¾ x 14¼