2023Case Antiques, Inc. Auctions & AppraisalsAttrib. Hendrik Pieter Koekkoek Oil on Canvas, Forest Path with FigureSee Sold Price
2020Great Gatsby's Auction Gallery, Inc.Signed Hendrik Pieter Koekkoek (Dutch) O/b landscapeSee Sold Price
2024Coronari AuctionsHendrik Pieter Koekkoek (1843-1890/1910): A river landscape with a goat herd, oil on panelSee Sold Price
2015A. H. Wilkens Auctions & Appraisals OakvilleHendrik Pieter KOEKKOEK (Netherlands, 1843-1890)See Sold Price