Selection of objects representative of the variety of colored decorations obtained with enamel on porcelain or metal during 19th century: (a) color palette (MNC2003, Sèvres), soft-paste porcelain enamels from Sèvres Factory, 1798, reproduced with permission from ref. [2], 2001, J. Wiley & Sons, Inc.; (b) painted enameled metal ewer by Jacob Meyer-Heine, Sèvres workshop, middle of 19th century (MNC21494, Sèvres), adapted with permission from ref. [27], 2010, J. Wiley & Sons, Inc.; (c) color palette, hard-paste PN porcelain ‘muffle biscuit’ enamel from Sèvres Factory, after 1884, 1050 °C firing temperature reproduced with permission from ref. [2], 2001, J. Wiley & Sons, Inc.; see reference [21] for compositions; (d) Satsuma small vase, end of 19th century (Private Coll.); (e) enameled metal pendant, Guangdong workshop, 19th century (Private Coll.); (f,f’) British faience with Chinese-like ‘Indian’ garden pattern, W. Brownfield Factory, Cobridge, UK, circa 1870–1880 (Private Coll.). More information is available in the references.