AN ANSBACH BLUE AND POWDER-MANGANESE PEWTER-MOUNTED DATED TANKARD painted with FW mirror monogram within tied palmettes beneath an electoral crown and with six Holzschnitt sprays reserved on a powder-manganese ground (some losses to glaze at base and on handle), the contemporary hinged pewter mount with ball thumbpiece and stepped footrim, dated 1714 and with painter's mark of Georg Christian Oswald