ISO 4217
See also: ISO 4217This code is used for national currency, in this case the Serbian dinar. This three-letter code is composed of, by rule, first two letters of the ISO 3166-1 alpha-2 and a third letter is initial of the currency itself: RSD
. Exceptions from the rule are made only in the third letter, if that suits the country better — however that is not the case here.
Read more about this topic: Country Codes Of Serbia