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

Stationery Envelope with Imprint:

Date of Issue: 30. 03. 2010
 

Angličtina / English

Use translation by Google Translate (no guarantee).

Celinová obálka Veľkomoravský šperk s prítlačou Žilinská synoda 1610 - 2010.




Celinová obálka Veľkomoravský šperk s prítlačou
Žilinská synoda 1610 - 2010


Deň vydania: 30. 3. 2010
Nominálna hodnota: 0,40 €
Autor známky: Peter Augustovič
Autor prítlače: Stanislav Lajda
Predajná cena: 0,57 €

Súvisiace materiály: Súvisiace podujatia:


Zdroj: Slovenská pošta/POFIS


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