c. 1830s, Very Rare Osborne's Superfine American Watercolors Travel SetI keep my eyes peeled for early watercolor sets, but the prices on these tend to be way beyond me and the early American sets even more precious than English ones. I lucked out with this, which is a rare, very beautiful c. 1830s Osborne Superfine travel set sometimes called a "toy set" I believe, due to the diminuative size of the paint cakes. Osborne was one of the few 19th century American makers of artists paint, earning renown for especially vivid