A white porcelain vase by Royal Copenhagen. The item is originally designed by Kaj Lange as an oil decanter. Blue-shadowed Royal Blau background decorated with an engraved scenery picture titled Rosenborg Castle. The castle is a summer residence of Danish kings built in the 17th century. Hallmark and design production number 4378 as well as production painter initials ‘NTx’ printed in blue on the bottom. The L of the word Royal in the hallmark is underlined which indicated that the item was produced in 1954. Collectible Vintage European Fine China.