297 - Designer gold/silver brooch with a frog motif—navette-shaped, 925/000 sterling silver, hallmarked and signed, with fine gold soldering and a cut rock crystal set in a bezel setting, 1 crouching lucky frog at the top edge, ingenious double-pin mechanism on the reverse, approx. 8.7 x 2 cm, weight approx. 12.3 g, design and craftsmanship: Sigrid Michaele Schmidt (b. 1943), goldsmith and jewelry artist, Frankfurt am Main

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