Royal Copenhagen crystaline blue glazed vase form 134 15 x 12 cm

Royal Copenhagen crystaline blue glazed vase form 134 15 x 12 cm In mint and nice condition The vase is without stamp and signature but weight, form and quality point to Royal Copenhagen Since 1889 engineers at Royal Copenhagen had been working with the crystal glazes. The names of the artist / engineers were Adolphe Clément (1860-1933 at RC 1883-1891), Valdemar Engelhart (1860-1915 at RC from 1891 - 1915), C. F. Ludvigsen (1883-1963 at RC 1911-1922 and 1947-1953), P. M. Proschowsky (1893-1968 at RC 1918-1925) and Søren Berg (1897-1978 at RC 1927-1933)