A CHINESE BLUE AND WHITE SPITTOON, ZHADOU.A CHINESE BLUE AND WHITE SPITTOON, ZHADOU.With an ovoid body painted with archaistic leaves on a leiwen ground between bands of key fret, a row of circular studs beneath, the wide neck with a flared rim, the base with a six character Kangxi mark within a double line, 10cm H.青花繪渣斗，「大清康熙年製」款