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Catalogue information
LastDodo number
9682265
Area
Stamps
Title
Helicopter mail flight service
Face value
Country / area
Year
1950
Month
08
Day
21
Issue group
Order Number in Issue group
Usage
Basic colour
Theme / topic
Geographical theme
Persons theme
Item subject
Sikorsky S-51 & Douglas DC-4
Michel number
873
Yvert number
25
Scott number
CB13
Stanley Gibbons number
1317
OBP-COB number
PA25
Designer/Engraver
Printing office
Publisher
Perforation type
Number of teeth per 20 mm
Watermark
Luminescence
Printing technique
Paper
Gum
Print run
Dimensions / diameter
Details
