From Fabergé and Feodor Rückert to Alexei Bogoliubov and Konstantin Makovsky, works by Russian Masters will come together in London this season for Sotheby’s Russian Art sales on 4 June.

This chart shows whether Konstantin Egorovich Makovsky’s total sales are going up, and if so, whether this is because more artworks by the artist have been offered and sold or because more high-value ...