When blue is blue

Scientific treatise and study on the composition of the paint on the Protectorate 5h blue linden leaf stamp. Study of the dependence of the amount of paint on the color shade of postage stamps.

03. 05. 2025

Complete description

Personalised adjusted printing sheet (PersUTL):
Happy and Merry Christmas 2012 (pattern 2)

Date of Issue: 02. 12. 2012

Face value: 0,40 €

Printing sheet form: UTL

Stamps in printing sheet: 8

Use translation by Google Translate (no guarantee).

Personalised miniature sheet with the postage stamp Christmas 2012 - Birth of Christ with a wish for a Happy and Merry Christmas 2012

Adjusted printing sheet:

Personalizovaný upravený tlačový list (PersUTL) so známkou Vianoce 2012: Narodenie Krista so želaním so želaním šťastných a veselých Vianoc 2012 je klasifikovaný ako súkromný - objednávka a grafický návrh: neznámy autor.

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