Historism brooch with numerous old-european-cut and rose-cut diamonds (2 missing) in total ca. 1.5 ct of which central stone ca. 0.5 ct, all stones ca. TIW-TIN (K-M)/SI-I2, 18K RG, 15.6 gr, L: ca. 6 cm, around 1880, good condition consistent with age, with French export hallmark (Mercury head), incl. expertise a. sales receipt (1991+1992). Center part screwed and slightly movable, can also be worn as pendant.