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Catalogue information
LastDodo number
2084307
Area
Stamps
Title
Science
Face value
1.75
Country / area
Year
2000
Month
Day
Issue group
Order Number in Issue group
5
Usage
Type
Basic colour
Theme / topic
Geographical theme
Persons theme
Item subject
The discovery of liquid helium superfluidity in 1938.
Michel number
829
Yvert number
Scott number
Stanley Gibbons number
6930
Zagorsky number
Printing office
Perforation
Watermark
Luminescence
Printing technique
Paper
Gum
Print run
300.000
Dimensions / diameter
42 x 30 mm
Details
