Queen Elizabeth II - Decimal Machin

Headtype Ib (Two curved lines in the hair below the Diadem next to the front curl; dark background; flat base of the bust; irregular necklace pearls, front of the bust rounded, the side cross in the d.. Read more »iadem is closed at the top left).
PVA gum slightly yellowish
Phosphor stripe with fluorine addition. Lights up yellow at 367 nm
Value type: IV (Slim value, slender 8 (4.40 mm * 3.15 mm) narrow distance between 1 and 8).
Position of 18: 1.70 mm from the left edge; 3.10 mm from the bottom edge.
Only issued in booklet SG DX15.
SG colour= "bright green".

Country:	United Kingdom
Type:	Postage stamps
Series:	Queen Elizabeth II - Decimal Machin - Normal Perfs
Nominal:	18 p
Year:	1993
Material:	OBA-Free non-phosphorised (OFNP), one phosphor stripe on the left (4.00 mm)
Size:	21 x 24 mm
Perforation:	comb 14¾ x 14¼