Stamp on the reverse NG Prague with ev. No. K 6282, label Waldes collection ev. No. 2156b. Professional expertise Mgr. Rea Michalova, Ph.D.
exposed:
Vojtěch Preissig, Memorial of National Literature in collaboration with the Union of Czechoslovak Artists, the National Gallery and the National press in Prague 1968
Vaclav Spala Gallery, New Hall, Vojtěch Preissig, Prague Castle Riding School, 2005 (exhibition of the life work of Vojtech Preissig)
