At least one site gives date as 1923. (http://galeriebeideroper.com/kuenstler/reinberger-brausewetter-gertraud/#) Reinberger and her family were friends with Josef Hoffmann, the important Austrian architect and designer. She specialized in blockprints and many of her works are in the Albertina, including this image. (http://www.williampcarlfineprints.com/pieces/947_Blooming_Tree_(Bluhender_Baum))