Color, philatelist and philately

Scientific treatise on color and color shades from the perspective of science and human perception and their significance in philatelic studies.

15. 02. 2025
Complete description

Commemorative Postmark:
Inauguration of the postage stamps Nature protection: National Wildlife Reserve Sur near Svaty Jur

Inauguration of the postage stamps Nature protection: National Wildlife Reserve Sur near Svaty Jur
Day of use: 21. 12. 2016
 
Colour: black

Angličtina / English

Use translation by Google Translate (no guarantee).

Commemorative postmark used in Svaty Jur on the occasion of the Inauguration of the postage stamps Nature protection: National Wildlife Reserve Sur near Svaty Jur.


Text motifs: UVEDENIE POŠTOVÝCH ZNÁMOK NPR ŠÚR PRI SVÄTOM JURE / Ramsar

Pictorial motifs: Symbolika Ramsar

Thematic description and context:

Ramsarský dohovor - dohovor o mokradiach majúcich medzinárodný význam predovšetkým ako biotopy vodného vtáctva, známy podľa miesta prijatia tiež ako Ramsarská konvencia.


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