A pair of continental porcelain Neo-Classical pot pourri vases

A pair of continental porcelain Neo-Classical pot pourri vases, with pierced covers, the bodies decorated with titled portrait busts of Roman emperors, 'OCTAV: AUGUST:TIBER: CLAUD:' 'TIBER: NERO. NERO CLAUD', within laurel wreaths, with war trophies, laurel swags and satyr masks, the bases with underglaze blue 'F' marks possibly for Fürstenberg, early 19th century, 35.5cm high. (2)