Vintage UNOAERRE 18K Gold Art Nouveau Style Pendant

UNOAERRE 1960's Art Nouveau style 18K yellow gold pendant, featuring an image of a beautiful girl holding flowers, set within a rose gold topped bezel with diamond pattern.
Measurements:
Width: 22 mm
Height: 32 mm (including the 9 mm bail)
Weight: 3.3 grams
Marked: UNOAERRE 750 and the factory hallmark