Poland 1940 - 10 Zlotych Bank Emisyjny w Polsce Prefix C Kraków Issue Approval Specimen (Pick Unlisted)
Engraving was executed according to pre-war Polish standards under the direction of Leonard Sowiński. Dense guilloche networks, controlled line work, and carefully balanced typography demonstrate disciplined security printing rather than improvisation. Printing was carried out with the involvement of Giesecke & Devrient, with subsequent production phases handled by Zakłady Graficzne "Sztuka" in Kraków as wartime logistics evolved. Read more →