The Claudian Aqueduct and Colosseum, Thomas Jones, 1742–1803, British, active in Italy (1776–83), 1778, Watercolor and graphite with gum on medium, moderately textured, cream wove paper, Sheet: 10 3/4 × 16 1/4
Source Naturals, Guar Gum, 16 Oz Liquid | HiLife Vitamins