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:
International Peace Marathon 2017

International Peace Marathon 2017
Day of use: 01. 10. 2017
 
Post office: KOŠICE 1
Colour: blue

Angličtina / English

Use translation by Google Translate (no guarantee).

Commemorative postmark used in Kosice on the occasion of the 94th International Peace Marathon in Kosice.


Text motifs: MEDZINÁRODNÝ MARATÓN MIERU / 1924 / 2017

Pictorial motifs: Socha oslavujúceho bežca.

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