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

New releases, inaugurations, the most beautiful stamps, competitions:
Since today is on sale a new postage stamp with the motif of Basilica of Our Lady of Sorrows

Since today is on sale a new postage stamp with the motif of Basilica of Our Lady of Sorrows
Author: Vojtech Jankovič
Source: www.teraz.sk
Published: 14. 09. 2012 18:25

Angličtina / English

Use translation by Google Translate (no guarantee).

Informácia o vydaní poštovej známky Krásy našej vlasti: Bazilika Sedembolestnej Panny Márie v Šaštíne.

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Author: Vojtech Jankovič

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