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

Postal Card without Imprint:
Krivan (without currency sign)

Krivan (without currency sign)
Date of Issue: 01. 02. 1993
Valid until: 31. 12. 2009
Face value: 2 Sk (without giving a currency symbol)

Angličtina / English

Use translation by Google Translate (no guarantee).

Postal (correspondence) pre-stamped card with embossed stamp depicting the Krivan peak.


Text motifs: Natlačená známka: Kriváň; Vyhradené pre služobné nálepky a údaje pošty / Cena: 2,30 Sk

Pictorial motifs: Natlačená známka: Kriváň.

Autor známky: akad. mal. Karol Ondreička
Predajná cena: 2,30 Sk


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