Antique solid silver and enamel erotic match box cover

A small antique rectangular silver matchbox sheath featuring an enamel three quarter length portrait of naked girl with flowers in her hair and hand the other holding a mirror draped in a transparent wrap all other sides are plain - marked with Austrian silver standard marks for 900 silver 1872-1921 as well as a markers mark for JK and Russian silver assay marks for St Petersburg after 1896 and an unidentified assayer therefore probably retailed in Russia - total weight 23grms - overall dimensions 44 x 29 x 15mm - c.1900 Austria