Jacquard Pearl Ex Powder Taster Set of 4 with Gum Arabic Powder: Amazon.co.uk: Toys & Games
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OILS, ACRYLICS, and WATERCOLOURS - ARTPUBLISH
John Martin, English, 1789–1854, Landscape with Cattle Grazing in the Foreground, 1833, Watercolor and gouache, with gum arabic and scraping, on cream wove paper, 6 1/2 x 9 in. (16.5 x 22.9 cm Stock Photo - Alamy