Daan Koelewijn & Janneke Mens

Daan Koelewijn was an honorary member of the KNBF and the NVPV and a member of the NVPV Boskoop branch. Janneke Mens is his granddaughter. Daan Koelewijn earned his living in education. Daan and his wife have three daughters and six grandchildren. Daan spent much of his time in the stamp world. It was a challenge for him to contribute to the Postzegelblog. The collaboration with one of his granddaughters, Janneke Mens, was particularly special in this regard. I am Janneke Mens. I am 19 years old now. My hobbies are drumming and volleyball. I illustrated the articles that my grandpa Daan wrote for the Postzegelblog.

Two labels: A failed experiment (1)

Written in: Dutch • Daan Koelewijn & Janneke Mens • March 24 2009

Belgium German history

According to the dictionary, internment is the deprivation of liberty on grounds of public interest and/or general or special security. Internment is usually applied in wartime, when soldiers cross the borders of a neutral power or unintentionally enter neutral territory...

Vincent Tromer over North Sea shells: So don't buy it.

Written in: Dutch

Peter over Delta Works: The Netherlands and water with climate adaptation: Thank you very much for the nice explanation of the design.

Written in: Dutch

Lars over Delft Blue Ceramic stamp a 'deception stamp': Now just get those blueprints out of the catalog..

Written in: Dutch

Erik Boeré over Delft Blue Ceramic stamp a 'deception stamp': The best solution is probably to ignore the ceramics stamp altogether. Fortunately, as the NVPH/Catalog Committee, we already have…

Written in: Dutch

Yvonne Kruse over The piss-pots of Tilburg: What a nice article, Willem!

Written in: Dutch

Willem over Stamp Day 2026: “I would like to know . . .?”: The Delta stamps can already be found on Marktplaats. A beautiful design! In my opinion, that is an example of how collectors want it.

Written in: Dutch