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

Service des postes:

Date of Issue: 01. 12. 2002
 

Angličtina / English

Use translation by Google Translate (no guarantee).

Služobná obálka 10. výročie Slovenskej republiky (MDPT SR).




Služobná obálka
10. výročie Slovenskej republiky (MDPT SR)


Deň vydania: 1. 12. 2002
Nominálna hodnota: Bez nominálnej hodnoty (Service des postes / Vec poštovej služby)
Autor známky: Jozef Baláž
Rytec známky:
Predajná cena: Nepredajné




Zdroj: Slovenská pošta/POFIS


Post a comment

TOP Philatelic Events

Materials by category

Latest materials

... all materials

Newsletter

Monthly we send to your email info about events, new articles, materials and other interesting news.

Current articles on the philately and stamp collecting

... all articles

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