Vintage Signed Sterling Silver Damele Variscite Spiderweb Turquoise Ring Size 7

In good vintage condition.
There are sign of oxidation, minor scratches.
Oval Cabochon Damele Variscite approx. 14mm x 10mm.
The height of the dome with a stone approx. 6mm.
Width at the top 17.5mm, at the bottom 4mm.
Marked: Sterling, signed (not identified)
Please review pictures.

12100