Exploration of Mars 

• 1974 
• Hungary 
• Onderzoek van Mars 
• Set 

LastDodo number

Area

Title

Face value

Country / area

Year

Month

Day

Issue group

Order Number in Issue

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Usage

Type

Theme / topic

Geographical theme

Persons theme

Item subject

Michel number

Yvert number

Scott number

Stanley Gibbons number

Philatelia Hungarica Catalog number

Designer/Engraver

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Watermark

Luminescence

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Paper

Gum

Print run

Dimensions / diameter

Details