Vaclav Spala (1885 - 1946) Vltava alongside Cervena oil on canvas, sign. LD, frame, on glued together frame n. 245 in circle. First owner dr. Jiri Nitka. Absolutely paramount painting, that supremely and self-confidently initialize author's blue period with decaying elements of the best from his green period. Monumentaly canvas of absolutely gallery value, that belongs to treasures of czech avant-garde. Similar highformat production of european level wasn't offered in auctions yet. Consulted with prof. J. Zemina, PhDr. H. Musilova and PhDr. K. Srp. Technical report of PhDr. M. Kodl is added.