A 19th century micromosaic brooch depicting Pliny's Doves

A 19th century micromosaic brooch depicting Pliny's Doves, 2.7cm and in a gold floral frame. Two further 19th century micromosaic brooches, one depicting a floral group measuring 3.2cm, the other an image of St. Mark's Square, 3.1cm, both in gold frames. A pair of 19th century micromosaic earrings depicting Roman ruins, each micromosaic measuring 1.5cm and in gold frames.