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:
170th anniversary of the opening of a post office in Rakovice

170th anniversary of the opening of a post office in Rakovice
Day of use: 03. 07. 2015
 
Post office: VESELÉ PRI PIEŠŤANOCH
Colour: black

Angličtina / English

Use translation by Google Translate (no guarantee).

Commemorative postmark to celebrate the 170th anniversary of the opening of a post office in Rakovice.


Text motifs: 175. VÝROČIE OTVORENIA POŠTY / V RAKOVICIACH

Pictorial motifs: Faksmile poštovej pečiatky RAKOVICZ.

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