You can buy and bid with confidence as Smits Philately is a member of the following stamp dealer organisations:
ASDA
American Stamp Dealer Association (USA)
PTS
Philatelic Traders Society (UK)
APHV
Bundesverband des Deutschen Briefmarkenhandels (DE)
NVPH
Nederlandse Vereniging van Postzegelhandelaren (NL)
Folder with 7 mint postal stationery from the Dutch East Indies, all with fantasy overprints. Nice and rarely offered.
picture 39542 001