De sterrennacht

450 years of Leiden University: the Old Observatory

Written in: Dutch • Randy Koo • March 28 2025

Leiden University was founded in 1575 and is the oldest university in the Netherlands. The university has seven faculties (six in Leiden and one in The Hague), with 33.701 students enrolled in 2025. Whoever visits the Hortus Leiden can...

350th stamp blog: Seeing Stars Leiden on September 25, 2022

Written in: Dutch • Randy Koo • September 25 2022

First of all, thank you for the many stars at the bottom of my previous 349 blogs. My 350th blog is about real stars that you can see every day if you look up late at night: the starry sky. On September 25, 2022 between 22:00...

Willem Meerkerk over Mouth-watering tart stamps with a sweet scent: I do see a trend in PostNL's new issues. More and more "self-adhesive" stamps, just like with the 2026 children's stamps. htt…

Haas over New Priority Mourning Stamp Netherlands: Unusual: new rates taking effect on a Sunday. PostNL faces a challenge. With priority, it is guaranteed that the next working day (Mon…

Elizadoug over Chessboard on stamp sheet: Are there any online references to the translation of the different stamps? I've been looking around and am not having much luck.

Elizadoug over Chessboard on stamp sheet: I bought one to frame as a gift to my father. And it was semi-difficult to find, but not too terribly expensive.

John Petterson over Drones, Drones on Drones: Nice article! It has inspired me to start collecting drones on stamps as well.

Otto over 2026 FIFA World Cup: Canada, Mexico and USA: The 2026 World Cup unfortunately turned out disastrously for our World Cup team; the beautiful stamps above are a balm for the wound for the football…