«Swiss 1,000-franc note here to stay, says national bank. Switzerland vows to keep world’s most valuable single-denomination note despite ECB moves to pull its €500 note to help fight crime and terrorism.»

https://www.theguardian.com/business/2016/feb/16/1000-swiss-...

Fr. 1000 is around $1000. I got my car in exchange for fifteen of these purple beauties five years ago.