Back when we had the most beautiful paper money in the world!
The 50 guilder note was called "a sunflower" for obvious reason:
[100 guldernote](http://1.bp.blogspot.com/-fy0-sKEkmd0/VTQEcLXGjyI/AAAAAAAAHoY/rqimyfb4fVU/s1600/Netherlands%2B100%2BGulden%2BBanknote%2B1977.JPG)
[250 guildernote](https://img.ma-shops.com/numexpro/pic/50_006.jpg)
Not to be confused with the designer of the 50,12 Guilder note, so we hade to put the ",-" into the title to make sure.