The absence of a national coin in the Principality of Moldova led to the penetration of foreign coins into this area. The importance of Dutch coins in the Principality in the 18th and 19th centuries is essential and obvious, as evidenced by both written sources and monetary finds. The attestation of Dutch coins in the form of monetary discoveries, on a large area of the Principality of Moldova, but also their mention in various written sources proves the spreading and importance of Dutch currency in the monetary circulation on this territory. The presence of the lion thaler and ducat was so significant that they became the official currency, although they were not the national currency.