This image was acquired from
wikimedia. It was marked as Public Domain or CC0 and is free to use. To verify, go to the source and check the information there.
Keywords from Image Description:
Stamps of Germany Berlin MiNr . Briefmarkenbeschreibung Ausgabepreis Pfennig First Day of Issue Erstausgabetag April Auflage Entwurf Schillinger Druckverfahren Offsetdruck MichelKatalogNr LndercodeMiNr drawing PDold Rest PDineligible German stamps keep Jugendmarken Sleeping men in art people with animals in art Heinz Schillinger