AN UNUSUAL SET OF FOUR BLUE AND WHITE EROTIC PLATES, each painted at the centre with a foliate cartouche depicting two lovers in progressive erotic scenes surrounded in the moulded well by emblems alternating with flower-sprays beneath a band of geometric pattern at the foliate border, the reverse with emblems and flower-sprays between bands of C-scrolls and trigrams alternating with trellis-pattern (one with rim chip and associated hairline crack), Chenghua six-character mark, Kangxi