A Chinese Silver-Gilt and Plique-à-Jour Enamel Bowl, Early 20th Century二十世纪初 镀金银丝空窗填珐琅碗Of hemispherical form, decorated with grapes and floral motifs on the side, gilt silver filigree filled with blue, green, yellow, translucent and red enamel, height 2.5 in — 6.3 cm, diameter 4.4 in — 11.2 cmProvenance:Private Estate, London, Ontario安大略省伦敦市私人遗产珍藏Note:The technique of plique-à-jour ("letting in daylight" in French) is a challenging method similar to small scale stained windows, originally developed in the Byzantine Empire in the 6th century AD. The technique uses backing and translucent enamel to create small, jewel-like works of art.空窗珐琅是一种古老而独特的珐琅工艺，起源于公元前四世纪的拜占庭帝国，工匠通常先用金银丝创造轮廓，接着将珐琅填入空窗空格之中，最后呈现薄如蝉翼，光线下透明似窗的效果。Estimate: $300—500