Here is a lovely modern brooch by the Danish modernist master Niels Erik From (see bio). The design of decreasing rings incorporates From's signature design of an off centre cabochon in a partially oxidised dish. This brooch has a bale attached to the rear, so you can also wear it as a pendant.
Condition: Excellent, no visible damage
Marks: Sterling, Denmark, N.E.From 925S
Size: 1.3" (3.5cm) across. Chain is 18 " (46cm) long
Year: 1960s