Here is an interesting Sterling silver bangle by the renowned Danish silversmithy Aarre & Krogs Eftf, based in the Jutland town of Randers from 1949 to 1990. The inside of the bangle is smooth, the outside features two coils.
Condition: Excellent, no visible damage
Marks: Sterling, Denmark A & K
Size: Internal diameter is 6.5 cm (2.6")