Copenhagen Porcelain

Royal Copenhagen, officially the Royal Porcelain Factory (Danish: Den Kongelige Porcelænsfabrik), is a Danish manufacturer of porcelain products and was founded in Copenhagen 1 May 1775 under the protection of the Danish widow Queen Juliane Marie. It is recognized by its factory mark, the three wavy lines above each other, symbolizing Denmark’s three seas: Kattegat, Nordsøen and Skagerrak. More... https://en.m.wikipedia.org/wiki/Royal_Copenhagen