Here is a nice ring of chrome and silver plate set with a deep amethyst stone. It was made by the Danish company of Chromica.
Condition: Excellent, no visible sign of wear
Marks: Handmade CHROMICA Denmark
Size: Adjustable ring band, currently set at finger size UK Q, US 8, Eu 58. Top of ring is 2.5 cm ( 1" ) long
Year: 1970s ?