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Stamp issue date: 3 October 2011
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Layout and design: International Astronautical Congress 2011
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Stamp size: 40.6 x 24 mm portrait
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Stamp sheet size: 105 x 65 mm
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Quantity printed: 20 000 miniature sheets
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Colour: CMYK
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Printing process: Offset Lithography
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Printed by: Joh. Enschedé Stamps B.V., The Netherlands
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