A pair of gilt-bronze and gold-inlaid bronze door knockers, Eastern Zhou dynasty, Warring States period - Western Han dynasty 東周戰國至西漢 青銅鎏金錯金龍紋舖首一對

See a similar door knocker dated to the Warring States period in the Freer Gallery of Art, Washington D.C. with a gold and silver-inlaid ring, illustrated in Thomas Lawton, Chinese Art of the Warring States Period, Washington D.C., 1982, pl. 24.

見一相似戰國時期鋪首，獸首銜錯金銀環，藏華盛頓弗利爾美術館，載於羅覃，《Chinese Art of the Warring States Period》，華盛頓，1982年，圖版24。