Nils Thorsson for Royal Copenhagen Dish. NT Chop to base, Royal Copenhagen stamp. Impressed 20351. The ‘Solfatara’ glaze was developed under Hans A. Madslund in 1936. The glaze is named after the metallic oxide on which it is based and which, during a special firing, can change to bright yellow or black or mottled variations between.

Image 5 shows a production crease on the rim.  Size: 8.25in x 8in.

In production from May 1937. Dated to 1952.