"Watercolorist's Case"
Watercolorist's case, mid-19th century: 27 bottles of pigments supplemented by some pigments under folded papers, two goose quill brushes, one white watercolor tablet bearing the sign of L. Colcomb (factory and shop of colors "with the Solar Spectrum" between 1856 and 1863, 18 quai de l'école next to the Pont-Neuf - Paris. L. Colcomb, son-in-law and successor of Ch. Bourgeois, himself a former associate of James Colcomb) 
Le Magazine de PROANTIC
TRÉSORS Magazine
Rivista Artiquariato