Depicting the two Taoist immortals He and He, one holding a sceptre.
The laughing twins, gods of luck and mirth, are the Immortals Hehe Erxian who represent harmony and mirth as well as bestowing blessing on marriages.
For a similar group, see P.J. Donnelly, Faber and Faber, Blanc de Chine – The Porcelain of Dehua in Fukien, 1969, p. 159.