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

Personalised adjusted printing sheet (PersUTL):
Castles of Slovakia I (postage stamp Dahlias)

Date of Issue: 01. 12. 2011

Face value: T2 50g

Postage stamp dimensions: 33 x 27 mm + k 33 x 27 mm

Printing sheet form: UTL

Stamps in printing sheet: 8

Use translation by Google Translate (no guarantee).

Personalised miniature sheet with the postage stamp Dahlias depicting the most famous Slovak castles.

Adjusted printing sheet:

Personalizovaný upravený tlačový list (PersUTL) so známkou Dálie s vyobrazením najznámejších slovenských hradov je klasifikovaný ako súkromný - objednávka a grafický návrh: autor neznámy.

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