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:
Christmas Post 2011

Christmas Post 2011
Day of use: 24. 11. 2011
 
Post office: RAJECKÁ LESNÁ
Colour: black

Angličtina / English

Use translation by Google Translate (no guarantee).

Príležitostná poštová pečiatka používaná pre Vianočnú poštu.


Text motifs: VIANOČNÁ POŠTA

Pictorial motifs: Symbolický lesný roh (poštová trúbka) a snehové vločky.

Autor: Mgr. Art. Alexandra Ďurníková


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