'La Lecon De Musique' French Roller Ink Blotter, After Nicolas Lancret.'La Lecon De Musique' French Roller Ink Blotter. Early 20th century with an engraved silver plate on copper panel. It is signed as being after Lancret, for Nicolas Lancret (1690 1743), with the original held by The Louvre, in Paris. Approximate weight is 140 grams. Approximate dimensions are 9. 7 cm length, 7 cm width and 3. 1 cm height. In good condition with almost all of the silver plating worn revealing the copper.