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:
Holy Year of Mercy

Holy Year of Mercy
Day of use: 01. 04. 2016
 
Post office: MOČENOK
Colour: black

Angličtina / English

Use translation by Google Translate (no guarantee).

The commemorative postmark used in honor of the Holy Year of Mercy.


Text motifs: SVÄTÝ ROK MILOSRDENSTVA

Pictorial motifs: Ježiš Kristus, náboženské motívy.

Postmark artwork: Adrian Ferda

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