Ceramic vases by the Dutch firm of Rozenburg den Haag which started up in 1883 and closed in 1917 in the Hague. Art Nouveau/Niewe Kunst.

Polychrome painted earthenware vase with decorative decoration, executed by Rozenburg, The Hague 1898 Polychrome painted earthenware vase with decorative decoration. 1898. Dutch. Image © 2021 Catawiki. Fair use license. via https://www.catawiki.com/en/l/25263819-rozenburg-den-haag-vase
Glazed earthenware vase with the decoration depicting a drapery in green with curved gold-yellow ribbons and floral elements in between. 1894. Dutch, made in The Hague. Maker’s marks: marked with the letter “L” of the year 1894. Image © 1stDibs.com, Inc. 2021. Fair use license. via https://www.1stdibs.com/furniture/decorative-objects/vases-vessels/vases/rozenburg-earthenware-vase-hague-netherlands-1894/id-f_18624792/#skuId=f_18624792S1
Earthenware Glazed earthenware vase in a thistle design, hand-painted in the colors of deep blue, purple, green, lilac, emerald, yellow, and red on a creamy white ground. 1914. Made in The Hague. Maker’s marks: marked in black underglaze on the bottom with the Rozenburg mark. Marked for 1914. Image © 1995-2021 eBay Inc. and Delta 98 den Haag. Fair use license. via https://www.ebay.com/itm/401676583995?chn=ps&norover=1&mkevt=1&mkrid=711-117182-37290-0&mkcid=2&itemid=401676583995&targetid=1264660049173&device=c&mktype=pla&googleloc=9002058&poi=&campaignid=11616960427&mkgroupid=123084560620&rlsatarget=pla-1264660049173&abcId=9300455&merchantid=101733458&gclid=CjwK