A YANGCAI RUBY-GROUND SGRAFFITO ‘LOTUS’ VASEQIANLONG SIX-CHARACTER SEAL MARK IN IRON RED WITHIN A SQUARE AND OF THE PERIOD (1736-1795)Each side of the vase is enamelled with a blue ruyi-border intertwined with a lotus scroll, against a ruby-red sgraffito ground. The neck is painted with a yellow-ground panel containing a lotus bloom on each side, flanked by a pair of tubular handles decorated with blue-enamelled florettes on a scrolling ground.10 1/8 in. (25.8 cm.) high