Vintage Art Nouveau Solid Sterling Silver ring with large Amethyst Cabochon

Vintage Art Nouveau Style Ring in solid European Silver with deeply set, dark purple Amethyst Cabochon. Shoulder Silver has a simple but intricate Ring on Ring design reducing as you approach the band, and Band widens and surrounds the high Cabochon.  Clearly hallmarked 925, confirming the European silver quality equal to Sterling Silver. All in excellent condition with no damage, but just a soft, aged patina. Dimensions approx.: Finger size 0  or 7; Amethyst 1.5cts; Band width 2.5mm to 10mm at top of decorated shoulders; Band thickness generally 1mm.  Europe.