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thumb|Örtug from Gotland (the city of [[Visby)]] thumb|Örtug from the city of Västerås, during the reign of Gustav Vasa
thumb|Örtug from Gotland (the city of [[Visby)]] thumb|Örtug from the city of Västerås, during the reign of Gustav Vasa
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. The coin weighed about 1.3 grams and consisted of 81% silver. As time passed, the örtug was debased: during the reign of Eric of Pomerania, the örtug contained 0.88 grams of silver; under Christian I, 0.7 grams; and in 1534 only 0.54 grams of silver.
Discovered by embedding cosine similarity (sentence-transformers MiniLM, 384-dim).