To celebrate the upcoming 25th anniversary of the MSX system, MSX user
Konamito has created a special T-Shirt for the occasion. The available sizes are S, M, L and XL. The shirt itself is made from quality cotton, and the print is resistant to washing. There's currently a stock of 150, so get one while you can! The price is €20, including shipping.
Relevant link:
25th anniversary MSX T-shirts at Konamito.com