304 - 设计款金/银青蛙图案胸针——锥形设计，925/000纯银，带有印记，表面镀细金，并镶嵌抛光博尔德欧泊（镶座式）， 顶部镶嵌1只蹲坐的吉祥青蛙，配有安全别针，尺寸约6.6 x 2.3厘米，重量约13.3克，设计与制作： 西格丽德·米卡埃莱·施密特（Sigrid Michaele Schmidt，生于1943年），金匠兼珠宝艺术家，法兰克福/美因河畔

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