In the Finnish language, the recommended symbol for euro is the euro sign
where it is available, and the lowercase letter e otherwise.
The use of the ISO currency code EUR is not an abbreviation of the word
euro in the Finnish language, just like FIM is not an abbreviation of
the word markka.
Reference:
https://www.kielikello.fi/-/euro-
Euro
Kielikello 3/1998
Kotimaisten kielten keskus
Institute for the Languages of Finland
[Last retrieved 2020-03-23]
