Poznań - Pałac Górków, December 1986.
Opening of the exhibition "Mediaeval Kruszwica".
From the left: (1) Michał Kobusiewicz, Ph.D. (Institute of Archaeology
and Ethnology, Polish Academy of Sciences - Poznań Branch);
(2) colonel Stanisław Basak (deputy school supeintendent in Poznań);
(3) Lech Krzyżaniak, PhD.