Round vase in porcelain from Porsgrund Norway

Round art nouveau vase in porcelain from the Norwegian porcelain factory Porsgrund. Designed by Thorolf Holmboe. Decorated with dolphins. In perfect condition without damage or repairs. Made in the early 20th century. The factory mark on the bottom together with the artist's signature. Measurements: 16½ cm (6.49 inches) and diameter in the middle of the vase of 19 cm (7.48 inches)