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:
Piešťany - Cycling Phenomenon

Piešťany - Cycling Phenomenon
Day of use: 09. 09. 2016
 
Post office: PIEŠŤANY 1
Colour: black

Angličtina / English

Use translation by Google Translate (no guarantee).

Commemorative postmark used in Piestany for the promotion of public cycling in Piestany evolving already more than 115 years.


Text motifs: FENOMÉN CYKLISTIKY

Pictorial motifs: Barlolamač - symbol Piešťan a bežný cestný bicykel.

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