Queen Victoria and Queen Elizabeth II

Headtype Ia (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 pointed, the side cross in the d.. Read more »iadem is open at the top left).
White or bluish illumination under the UV lamp
Notch in the phosphor stripe.
Value type: II (wide distance between 1 and 5, slim digits).
Position of 15: 1.25 mm from the left edge; 2.25 mm from the bottom edge.
Only issued in booklets.

Country:	United Kingdom
Type:	Postage stamps
Series:	150th Anniversary of the Penny Black
Nominal:	15 p
Year:	1990
Material:	coated, fluorescent (FCP), one phosphor stripe left (4.75 mm)
Size:	21 x 24 mm
Perforation:	comb 14¾ x 14¼