Frederik Marinus Kruseman – private collection. Title: Winter Landscape with Strollers and Skaters. Date: 1840. Materials: oil on canvas. Dimensions: 58.5 x 76.5 cm. Inscriptions: FM Kruseman fc 1840 (lower right). Sold by Sotheby’s in London, on November 20, 2012. Source: http://www.sothebys.com/content/dam/stb/lots/L12/L12102/251L12102_6MJGJ.jpg. I have changed the light and contrast of the original photo.
Frederik Marinus Kruseman – private collection. Title: Winter Landscape with Skaters on a Frozen River. Date: 1873. Materials: oil on canvas. Dimensions: 45.4 x 65.4 cm. Inscriptions: FM Kruseman./1873.fc. (lower left); le soussigné declare avoir peint/le tableau ci-contre original et sans/reproduction/Bruxelles 1873./FM Kruseman (on the reverse). Sold by Christie’s in London, on December 15, 2015. Source: http://vechnost7.blogspot.ro/2015/12/frederik-marinus-kruseman-1816-1882.html?view=snapshot. I have changed the light, contrast and colors of the original photo.