Queen Elizabeth II - Decimal Machin

Headtype IIa (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)
White or bluish illuminati.. Read more »on under the UV lamp
Value type: I
Basic position of 5½: 1.00 mm from the left edge; 2.90 mm from the bottom edge
(Michel GB Special: 635.12.1)
SG colour = "violet".

Country:	United Kingdom
Type:	Postage stamps
Series:	Queen Elizabeth II - Decimal Machin - Normal Perfs
Nominal:	5½ p
Year:	1973
Material:	coated, fluorescent (FCP), two phosphor stripes (10.5 mm spacing)
Size:	21 x 24 mm
Perforation:	comb 14¾ x 14¼