Weekly Trivia: Palau’s 2009 "Coconut" coin pioneered aromatic currency, using micro-encapsulation to release scents when rubbed. This "scratch-and-sniff" tech later produced Palau’s "Sea Breeze" (2010) and Benin’s viral cannabis-scented coin (2011).
Sources: Numista | Numista 1 | Numista 2 | Numista 3 .jpg)
