Russian, made in St. Petersburg in the 1870s.
An antique 14K gold brooch is finely modeled as a stylized butterfly with hand-engraved wings and body.
The brooch is marked on pin guard with 56 zolotnik old Russian gold standard, and on pin with St. Petersburg assay mark.
Width 20 mm (2/3 in.) Height 31 mm (1 3/16 in.)