He claimed that the gallery has sold sculptural work by Elizabeth Catlett (b. 1915) for more than $ 300,000, and for sales of paintings by Charles White (1918 - 79) «$ 200,000 - 300,000 is commonplace.» (artmarketmonitor.com)
Descendant of Paul Leffmann, who once owned Picasso's The Actor, could not prove «duress» in sale of painting that ended up in New York museum (theguardian.com)
In return for the work done by the Art Broker, upon sale of the painting they will receive a commission. (theabundantartist.com)