Small vase - Jonker Gouda - 1960's "Maja" 15.0cm H by 6.5cm D The joined 'JG' on this vase is the mark of Jonker Gouda. Originally founded as Cornelis Jonker & Son in Gouda in 1896 on a site next to where the the Zuid-Holland factory would be built. Pieces from the Jonker Gouda factory with the 'JG' mark are not seen very often. One can see eBay sellers saying these are by Jaap Gidding! See the vase on the next page about Cornelis Jonker & Son.