Coal Miners

Coal Miners

Chiswick Auctions via Bloomberg

A painting of coal miners by the German Expressionist artist Ludwig Meidner. The work is being offered by Chiswick Auctions on Sept. 28. The unframed canvas, recently authenticated by the Ludwig Meidner Archive in Frankfurt, is thought to date from about 1912 and is expected to sell for between 800,000 pounds and 1.2 million pounds.