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

More Art Nouveau ceramics, these from the Netherlands. N.S.A. Brantjes & Company, creators. Not in business all that long, but long enough to be part of the expositions in Paris and Saint Louis in 1900 and 1904.

Pair of ceramic vases. ca, 1896. Hand-painted.
Pair of ceramic vases. ca, 1896. Hand-painted. Signed “NB” on the bottom and “Faïence de Purmerende Hollande” with the artist’s initials and “A” for year. N.S.A. Brantjes & Company, maker. Image © 1stdibs, Inc. 2019. Fair use license. via

Ear vase, earthenware with floral motifs. Model 1082.
Ear vase, earthenware with floral motifs. Model 1082. D, Van de Veen, painter for N.S.A. Brantjes. Image © 2019 Kunstconsult. Fair use license. via https://www.kunstconsult.com/Ceramics/Wed.-N.S.A.-Brantjes-Co-Dutch-Art-Nouveau-vase.-model-1082.-painter-D.-van-de-Veen.-ca.-1900

Vase with a lily design. ca. 1900.
Vase with a lily design. ca. 1900. Image © 2018 Artsy. Fair use license. via https://www.artsy.net/artwork/wed-nsa-brantjes-and-co-purmerend-art-nouveau-vase-with-lilies