Bessière & Schneider (?), of cobalt and cornflower-blue guilloche enamel heightened with engraved and engine-turned details, the back with delicate enameled scene depicting imagery of love and music, the soundbox with chased quivers in relief enclosed by seed pearls, the pearl-set crown decorated with enameled starburst and four ram's head bosses, the golden strings pegged with faceted stone tuning pins, containing single-tune barillet movement (not opened for examination) with stop/start slide and female winding key, ht. 2 ¾ in. (7,2 cm), with suspension loops and chain (working condition, missing five pearls, possible inconspicuous enamel repair on one soundbox). With key. - References: Eduard C. Saluz, "Klangkunst" (Zurich 1996), p. 135 for two similar pendants. - A near-identical pendant with marks of "Bessière & Schneider" is in the collection of the Victoria and Albert Museum, London. Another example with timepiece, in a case initialed "BS" (presumably the same maker), was sold by Sotheby's Hong Kong, 31 May 2005, Lot 2099. - Provenance: Collection of Luuk Goldhoorn; Sotheby's New York, 8 June 2016, Lot 89. An exhibition-quality musical objet de vertu.