Poznań - Górka Palace. Exhibition "Merchandize
meetings on the Warta River
during prehistory and the Middle
Ages" (June 1978).
From the left: (1) Zbigniew Pieczyński, MA (Poznań Archaeological
Museum);
(2) Prof. Jan Żak (Institute of Prehistory, Adam
Mickiewicz University in Poznań);
(3) Lech Krzyżaniak, Ph.D.