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

Commemorative Postmark:
Presentation of the Winter Olympics Vancouver 2010 postage stamp

Presentation of the Winter Olympics Vancouver 2010 postage stamp
Day of use: 15. 01. 2010
 
Post office: BRATISLAVA 1
Colour: black

Angličtina / English

Use translation by Google Translate (no guarantee).

Príležitostná ručná pečiatka používaná pri príležitosti slávnostnej prezentácie príležitostnej poštovej známky Vancouver 2010.


Text motifs: PREZENTÁCIA POŠTOVEJ ZNÁMKY

Pictorial motifs: Logo Zimných olympijských hier Vancouver 2010 a olympijské kruhy.

Autor: Ervín Smažák


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