Play Money - Muntslag - 5 Gulden

Muntslag was a Dutch board game, first released in the early 1970s, built around currency exchange and commodity speculation. The paper play money produced for it mimicked the aesthetic of genuine Dutch banknotes closely enough that the Nederlandsche Bank periodically monitored such items — not because this particular piece posed a genuine counterfeiting risk at 80 × 50 mm, but because Dutch law on currency imitation was, and remains, unusually strict.