Asymmetrically worked pair of ear studs. Goldsmith's master workshop Peter (1932-2015) & Marianne Heyden (born 1936), Cologne. The pair communicates via the triangular cut boulder opals. The large boulder-opal is framed by two surfaces, one of which is decorated with granulation. The granulation is arranged in different sizes. The small plug consists of a mirrored frame socket. The small plug on the back side with ligated master mark "PHM". 18 ct yellow gold, approx. 14 g, with town mark "A30", h=4.9 cm, w=1.9 cm / h=1.5 cm, w=1.1 cm.
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