Heimburg, R. (Dutch, 20th century), Minerals and Gemstones, 1933, gouache and watercolor on paper, signed and dated lower left, each individual illustration is mounted to the tan paper which was then mounted to the larger board, tan sheet 17 x 23.5 inches, illustration board 18.5 x 25.25 inches, "12524" and pencil notes in Dutch on verso of board. Colorful and detailed natural history illustrations of minerals, crystals and gemstones, possibly the mock up for a page in a text book.

Pinholes along border, few faint areas of foxing Merchandise will be packed and transported by the purchaser at their own risk and expense. A current list of shippers is listed on our website www.conceptgallery.com under “Auctions” / “Shipping” tab.