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

Postal Card without Imprint:
Transportation on the Danube

Transportation on the Danube
Date of Issue: 04. 07. 2002
Valid until: 31. 12. 2009
Face value: 10 Sk

Angličtina / English

Use translation by Google Translate (no guarantee).

Postal (correspondence) pre-stamped card with embossed stamp depicting ship on the Danube river and Bratislava Castle.


Text motifs: Natlačená známka: Parník Franz I. / 1830; Cena: 10,80 Sk / © Slovenská pošta, š. p., PL 72

Pictorial motifs: Natlačená známka: parník Franz I. na Dunaji s dobovým Bratislavským hradom na pozadí.

Autor známky: akad. mal. Dušan Grečner
Predajná cena: 10,80 Sk


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