Instance of: http://www.w3.org/2004/02/skos/core#Concept
Subject Field unknown
Is Reference of Souvenirvelletje in blokvorm-nl#Sense
Bloc-feuillet-fr#Sense
Souvenir sheet-en#Sense
Miniature sheet of postage stamps-en#Sense
Hoja bloque-es#Sense
Markenblatt-de#Sense
Markenblock-de#Sense
Zegelblaadje-nl#Sense
Annullo su busta-it#Sense