Marked D-A, 925S and the Scales. Very Good Condition. Very Good Condition. Protons and Electrons in Circular Motion. Circle Design in Red and Green Enamel on Sterling.
Signature is signed into the enamel on the back.
It appears to read 'Bachrach'. Very Good Condition. Blue and Black Enamel over Gold washed Sterling. Signed Balle, Sterling, Norway. Balle is a Modernist Norwegian designer, c.