Martin van der Weijden

Dutch Bio Science Week in Leiden

Written in: Dutch • Randy Koo • June 27, 2025

From June 28 to July 6, 2025, Dutch Science Week will be held in Leiden. The Bio Science Park and other scientific institutes are open to you and your children. Demonstrations, exhibitions, and workshops will be held during this week...

Ramon over before the NVPH Netherlands catalogue: @Kristal, i could help you with an older catalogue. you could send me an email at Origato@live.nl if you're interested.

Willem over Delft Blue Ceramic stamp a 'deception stamp': I think there are indeed uncancelled ceramics stamps. Only the stamps from the first day are postmarked. Furthermore, the PostN website stated…

Crystal Clark over before the NVPH Netherlands catalogue: My daughter and I are just starting out collecting stamps. We would love a catalog.

Bate Hijlkema over Uitgifte 2014: Augarten Porcelain – Vienna Rose: Does the method of cancelling the stamp correspond to the Ceramic stamp of our country?

Otto over 1000th Freestamp Magazine: The Treasure Chamber: Thanks for the many blogs over the past years. I’ve learned a lot from them and visited many museums as a result. A history lesson via stamps. Brilliant…

S Cooper over William John Caparne, irises and art: Hello Barbara. I too am a Caparn descendent on my mother's side. My brother and I own several watercolours too ! Am very proud of his contri…