Pair of Japanese export lacquer knife boxes with scattered decoration of gilt birds and flowers, Kyôto-Nagasaki style, and copper mountings, late 18th century -defects-, provenance: the couple Henriette Jeanne Christine van Neukirchen called Nyvenheim (1807-1849) and Nicolaas Johan Steengracht (1806-1866), thence by decent to the present owners, the last residents of castle Duivenvoorden, near Voorschoten, Holland33,5 x 24 x 21