Gorgeous Aluminia Floor Vase. It has decoration number 186/570. Height 35.5 cm. Gorgeous decoration. It has an usignificent hairline crack. In the 1880s when production at the Royal Copenhagen factory was dropping to a dangerously low level they were taken over by Aluminia (founded 1863), successful makers of earthenware, and since that time the two ranges, earthenware and porcelain, have been running in tandem.