Robuta

https://www.christies.com/en/lot/lot-6251127 Jan de Bisschop (Amsterdam 1628-1671 The Hague), The Adoration of the Shepherds | Christie's The Adoration of the Shepherds jan de bisschop https://www.metmuseum.org/art/collection/search/343339 Jan de Bisschop - The Three Virtues (after Raphael) - The Metropolitan Museum of Art Inscription: Secondary support: at lower center, inscribed "Bischop" in pen and brown ink, by William Esdaile. Verso of the secondary support: at lower left,... jan de bisschop the three