Samt åttkantslipade diamanter, mått 51 X 32 mm, totalvikt 12 g. CFC (Carlman), Stockholm 1958. Etui från W.A. Bolin medföljer.
CF Carlman was a notable Swedish goldsmith and jeweler active in the late 19th and early 20th centuries. His pieces reflect the Scandinavian design ethos of elegance and functionality, making them important examples of regional jewelry art from this period.