https://neat.tube/w/pv2FKuuK2ZxHBo5bxiZwMQ
This is a companion discussion topic for the original entry at https://neat.tube/w/pv2FKuuK2ZxHBo5bxiZwMQ
https://neat.tube/w/pv2FKuuK2ZxHBo5bxiZwMQ
According to DDG, PLN is Polish zloty.
CHF is Switzerland. They have Francs.
Czech Republic (Czechia) has CZK - Czech Koruna (crown).
And PLN is Polish złoty.