Full standardization arrived with coins, approximately 700 BC. The first printed money appeared in China, around 800 AD. The first severe inflation was in the 11th century AD. The Mongols adapted the bank note system in the 13th century, which Marco Polo wrote about. The Mongol bank notes were “legal tender”, i.e. it was a capital offense to refuse them as payment. By the late 1400s, centuries of inflation eliminated printed bank notes in China. They were reinvented in Europe in the 17th century. Нужен перевод срочно