2025TT Assen 100 Years - Sheetlets

On the occasion of the 100th anniversary of the TT Assen, PostNL will issue the TT Assen 100 years stamp sheet on 5 June 2025. Each of the 10 stamps features a black-and-white photo of a motorcyclist who achieved 1 or more victories during the TT Assen. The depicted riders are Piet van Wijngaarden, Geoff Duke, Mike Hailwood, Jim Redman, Giacomo Agostini, Ángel Nieto, Wil Hartog, Jack Middelburg, Egbert Streuer & Bernard Schnieders and Hans Spaan. The stamps feature the value indication 1 for mail up to and including 20 grams with a destination within the Netherlands. The design of the stamps was created by graphic designer Jan van Mechelen and illustrator Iwo Tuleya from Rotterdam.