A long-lost painting by renowned Austrian symbolist Gustav Klimt, ‘Bildnis Fraeulein Lieser’ (Portrait of Miss Lieser), will be auctioned in Vienna on Tuesday. The unfinished portrait, created in 1917, resurfaced this year after almost a century, leaving art enthusiasts in awe. Despite its estimated value of up to €50 million, the painting’s provenance remains shrouded in mystery.