Stamp Auction - Netherlands and former colonies Netherlands Air Post Stamps - Auction 242- 243, incl. Netherlands 1852 - The Gerard van Welie Collection , lot 787
Netherlands Cover stamp: PostNL Frankering Gecontroleerd - STAMPBOARDS - Postage Stamp Chat Board and Stamp Forum
Stamp Auction - Netherlands and former colonies Netherlands Air Post Stamps - Auction 242- 243, incl. Netherlands 1852 - The Gerard van Welie Collection , lot 798
Ferdig frankerte konvolutter - Konvolutt-land
Posten i Lau - lau.se
POST air mail clear stamp set - Stämpelset med frankering från Nellie Snellen 5x7,9 cm