American Stamp Dealer Association (USA). Bundesverband des Deutschen Briefmarkenhandels (DE). Nederlandse Vereniging van Postzegelhandelaren (NL). Apparantly complete collection of special issue covers, from OS1 to OSE 726, very colourful and pretty, housed in 5 Davo first day cover albums.New issue price around 2000 euro, superbargain! We made many more pictures of this lot. This item is in the category "Stamps\Europe\Netherlands & Colonies". The seller is "clemsmits" and is located in this country: NL. This item can be shipped worldwide.