Les faux des avant-gardes russes
Over the past two decades, police have seen a surge in fake Russian avant garde paintings, fueled by a combination of aesthetics, economics, and Communist-era politics. Paintings from this era — spanning from the 1890s to early 1930s — have proven relatively easy for forgers to copy, despite recent advancements in forensics and imaging technology.
— Amar Toor, The curious case of Kandinsky: how Communist Russia enabled art forgers to make millions chez The Verge