The "counterfeit coins" according to Article 28 of Law 1613 were not Polish or Transylvanian coins, but low-quality 3 denier and groat of of a taler Issued in the German-Roman Empire. Colloquially known as "white groat", the notes had already caused disturbances in circulation in 1612 and 1613 and were the precursor of the great coinage debacle of the 1620s.