GEORGIAN PINCHBECK AQUAMARINE COLOUR PASTE CLASSIC BROOCH
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SOLD OUT SUBJECT : GEORGIAN PINCHBECK AQUAMARINE COLOUR PASTE CLASSIC BROOCH 编号:63-2929 【奢匙SHECH】英国乔治时期c1838海蓝宝石色paste精美古董胸针 该宝贝为 pinchbeck (金色铜, a form a brass, alloy of Zinc 11% and Copper 89%)为英国 Christopher Pinchbeck (1670-1732) 发明的一种合金,广泛用于珠宝钟表及精美仪器制造,美观实用不褪色 )and...
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