A vintage sterling "Alton" Swedish Modernist adjustable ring, signed by the lead Alton designer "KE Palmberg". The Alton company of Fallkoping ,Sweden produced jewellery from 1946 til 1987. The ring measures 7/8 " by 13/16 " across the top of the crown. The band is adjustable and clearly marked inside with the hallmarks : ALTON, F (Fallkoping),the three crowns for Sweden, the S for the silver standard, Z9 ( the year hallmark which is 1974), and STERLING 925. The other side of the inside band has the signature in script of the designer KE Palmberg. The ring is adjustable, though right now it sits at size 6. The ring weighs 9.5 grams.