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:
Canonization of John Paul II. (Rožňava)

Canonization of John Paul II. (Rožňava)
Day of use: 28. 04. 2014
Valid until: 28. 04. 2014
 
Post office: ROŽŇAVA 1

Angličtina / English

Use translation by Google Translate (no guarantee).

Príležitostná pečiatka používaná v Rožňave pri príležitosti svätorečenia Jána Pavla II.


Text motifs: SVÄTOREČENIE JÁNA PAVLA II.

Pictorial motifs: Pápež Ján Pavol II.

Postmark artwork: Ján Vallo

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