Three Dutch Delft Blue and White Jars with Covers 18th/19th century Each marked to the underside in blue underglaze; the first marked 'J.G' over '11'; the second marked possibly with the mark of Cornelis Keyser, Jacobus Pynaker and Adrien Pynaker; the third marked '10' to underside of jar and '16' or '91' to rim of cover. (3). (H: 21 in. (tallest)) Provenance Property from a private American collection. Condition report: Condition commensurate with age. All with frequent scattered chips and abrasions, discoloration to surfaces, accretions present, moderate fritting to bases and rims, cracks to glazed surface, and some firing imperfections. One with a repair to jar rim, approx. 3 in. long, the overpaint now discolored.