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:
Music festival Vrbovske vetry (Vrbov Winds)

Music festival Vrbovske vetry (Vrbov Winds)
Day of use: 04. 07. 2015
 
Post office: VRBOVÉ
Colour: black

Angličtina / English

Use translation by Google Translate (no guarantee).

Commemorative postmark used on the ocassion of the Music festival Vrbovske vetry (Vrbov Winds) in Vrbove.


Text motifs: VRBOVSKÉ VETRY

Pictorial motifs: Symbolická kresba húpacieho koňa.

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