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
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Exhibitions, fairs - information, reports, promotion:
Nitra will belong to philately

Nitra will belong to philately
Author: Vojtech Jankovič
Source: www.pravda.sk
Published: 26. 04. 2006 16:38

Angličtina / English

Use translation by Google Translate (no guarantee).

Krátka reportáž o pripravovanej Národnej filatelistickej výstave NITRAFILA 2006 v Nitre.

Základné informácie:


Author: Vojtech Jankovič
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