Engraving on both sides of a pearl oyster (pinctada margaretifera) made by the convict Julius SCHLOESSER Otomar Jean Julius (1861 - 1894), sent to the prison in 1882, under the number 14015 .the engraving shows on the outside representations of the local Canak life (Kanak huts, pirogues, characters) framed by two European women. On the reverse, a portrait of a Canak woman with her breasts bare and a turbaned man with his arms crossed wearing bracelets, engravings probably made from photographic representations. The two mother-of-pearl engravings are signed Schloesser in the English point. New Caledonia, late 19th century. Two small mother-of-pearl lifts on the edge of one of the mother-of-pearl. 21 x 19 cm