Bournonite, Plumosite, Pyrite – Oradna, Transylvania, Romania
 1968 via Anton Berger, Vienna
 A beautiful, historic, intact bournonite specimen with a historic label. This highly lustrous specimen featuring bournonite, plumosite, and pyrite was acquired in 1968 from the collection of the renowned mineral dealer and collector Anton Berger. The buyer's label erroneously stated Hungary, although the source is in Romania.
 This rare collection piece comes from the former inventory of the famous Austrian mineral dealer and collector Anton Berger.
 https://mineralogicalrecord.com/biographies_labels/bergeranton/