EuroGraphics Jerusalem Artichoke Flowers by Claude Monet 1000-Piece Puzzle. Box size: 10" x 14" x 2.37". Finished Puzzle Size: 19.25" x 26.5". Jerusalem Artichokes is one of the lesser known works by Monet. It was painted in 1880 and can now be found in the Chester Dale Collection of the National Gallery in Washington. Strong high-quality puzzle pieces. Made from recycled board and printed with vegetable based ink. This superior quality puzzle will delight and educate all at the same time.