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法國，47 x 33 mm，約 1810
極罕見的鑲迷你歌劇風格玻璃的鐘錶鑰匙
French, 47 x 33 mm
, circa 1810An extremely rare watch key with integrated foldable miniature opera glass
Case: gilt and granulated brass case set with blue stones. Central lens, surrounded by mother-of-pearl with gleaming polished steel flowerets.
Illustrated and described in: "The Keys of Time" by Yves Droz, France 2012, p. 104-105.
#40758
錶殼 非常好