Christie’s charges a premium to the buyer on the Hammer Price of each lot sold at the following rates: 29.75% of the Hammer Price of each lot up to and including €5,000, plus 23.8% of the Hammer Price between €5,001 and €400,000, plus 14.28% of any amount in excess of €400,001. Buyer’s premium is calculated on the basis of each lot individually.
From the artist, thence by descent
Frans van Burkom, Hans Mulder, exhibition catalogue, Erich Wichman 1890-1929, tussen idealisme en rancune, Utrecht, Centraal Museum/Assen, Drents Museum, 1983, p. 45
Utrecht, Centraal Museum Assen, Drents Museum, Erich Wichman 1890-1929, tussen idealisme en rancune, February-June 1983