Two cups and two bowls with underglaze blue decoration

Description:

China, for Vietnam, all marked 'Ruoshen zhen cang', 'Rong fa song xuan', 'Yuanyu jin ji', 18th/19th cent.
D. 7,5 - 19,2 cm
Old and important German private collection, collected since the 1950s until 2007 - The flat bowl and the bowl with the horses each with a short hairline crack on the rim, minimally traces age