Antique Victorian 9k yellow gold and blue enamel drop earrings

A pair of Victorian 9k yellow gold drop earrings - each earring consisting of a faceted hollow gold briolet drop suspended within a hinged frame highlighted with cornflower blue enamel below two faceted links, the top having a hook fitting - unmarked - total weight 5.7grms - overall dimensions 55 x 16mm - c.1890 Europe