Art Collection: Lithography

I’ve found a lithograph by Georges Braque (1882–1963) (on artnet)…

You have found a lithograph by František Gross (automatic translation) (1909-1985) (at artnet) …

I have found a lithograph by Roger Hebbelinck (1912–1987)…

I bought a colour lithograph by Karl Korab (born 1937) (at artnet)…

A lithograph by Hermann Zapf (1918–2015) from my office…