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Catalogue information
LastDodo number
9866897
Area
Stamps
Title
Queen Elizabeth II
Face value
Country / area
Year
1973
Month
07
Day
04
Issue group
Order Number in Issue
Basic colour
Usage
Theme / topic
Geographical theme
Persons theme
Item subject
Michel number
Yvert number
Scott number
Stanley Gibbons number
USB6
Designer/Engraver
Printing office
Perforation
Watermark
Luminescence
Printing technique
Print run
Dimensions / diameter
Details
Ex 10p 'Pillar Box' booklet dated August 1973 SG. DN61.
S.G. Spec.: USB6 (2 x U55; 2 x U71) with smooth cut edge.
Perf. type: I
Paper/gum: FCP(H)/PVAl
Phosphor: 2B 9.5 mm (Screened 150)
Jet phosphor
DP12J
Jet phosphor is the result of the contamination of violet phosphor with green phosphor ink not intended for stamps. It glows a dirty yellow colour under short wave UV. Under long wave UV it gives a good reaction which is not found on normal 'B3' or 'violet' (1967-1993) stamps.