Oval enamel miniature depicting Narcissus observing his reflection in the water, painted on cobalt blue translucent enamel over a guilloché ground and set within a Historicist frame with a cord and aureola design encrusted with 40 rose-cut diamonds and 20 tiny rubies. The necklace hallmarked: Italian fineness 750. 4 x 3.3 cm. Weight 19.30 g. Italy, first half 20th C.