Anna Greta Ecker 
sterling ring norway + studio, 
circa 1960 
signed a-g eker (script) stamped sterling norway + 
size, us 6 1/2 - eu 54 - 17 mm 
overall L. 6/8” W. 6/8“ H. 1”
L. 1,91 cm W. 1,91 cm H. 2,54 cm 
weight 7,8 gram.