The 1,000 banknote from Maldives is considered to be one of the most beautiful of all currencies
(lemmy.world)
Curaçao and Sint Maarten's Caribbean guilder, especially the obverse sides with fish, shells, turtle; are also beautiful: https://www.global-currency.com/currency-news/cbcs-reveal-of-the-caribbean-guilder-frame-at-1m22ss.jpg
