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

Commemorative Postmark:
110 years of the post office in Plevník-Drienove

110 years of the post office in Plevník-Drienove
Day of use: 21. 06. 1996
 
Post office: PLEVNÍK-DRIENOVÉ
Colour: black

Angličtina / English

Use translation by Google Translate (no guarantee).

Commemorative postmark used in Plevník-Drienovo on the occasion of the 110th anniversary of the local post office.


Text motifs: 110.rokov pošty

Pictorial motifs: Kreslený doručovateľ na bicykli

Poznámka: V texte pečiatky sú dve chyby - Nesprávne použitá radová číslovka "110." namiesto základnej číslovky "110" a nevynechaná medzera pred slovom "rokov" v názve podujatia "110.rokov pošty", správne "110 rokov pošty".


Philatelic partners

POFIS - Postal philatelic service
EXPONET - Virtual international philatelic exhibition
Slovak Society of Olympic and Sports Collectors
Filaso.cz ...or philatelists for themselves
OLYMPSPORT - Czech Association for Olympic and Sport Philately
ZSF - Union of Slovak Philatelists