Örtug

Örtug or ortig (Finnish: äyrityinen, aurto or aurtua) was a medieval currency unit in Sweden.

It was originally minted as a silver coin in 1370 during the reign of king Albert of Sweden.

[citation needed] The coin weighed about 1.3 grams and consisted of 81% silver.

During the reign of Gustav Vasa (1523–1560), the monetary system of Sweden was reformed: an örtug was now subdivided into 12 pennings, not 8 as before, while still valued as one third of an öre.

The örtug is also used as the official name of the currency in the artist Lars Vilks' micronation of Ladonia.

Örtug from Gotland (the city of Visby )
Örtug from the city of Västerås , during the reign of Gustav Vasa