Ernst Biron. Engraving by Sokolov after L.Caravaque (1740), Louis Caravaque, 1740

Engraving by sokolov from the lost portrait of l. Caravaggio. 1740. The engraving was made during the short regency of biron and remained unfinished. The only copy of this engraving was kept at the end of the 19th century in the imperial public library and was reproduced in rovinsky's book "materials for russian iconography". Date: 1740.