SOLID STERLING SILVER WEDDERS.  Curved Sided.  VARIOUS WEIGHTS & SIZES.  
1.  SIZE 7 or 'O'.   6MM WIDE.  6G WEIGHT.
2.  SIZE 8 or 'Q'.   8MM WIDE.  7G WEIGHT.
3.  SIZE 9.75 or 'T'.   9MM WIDE.  7G WEIGHT.
4.  SIZE 11 or 'V.5'.   7MM WIDE. 7G WEIGHT.
5.  SIZE 11.5 or 'X'.   8MM WIDE. 10G WEIGHT.
6.  SIZE 12 or 'Y'.   7MM WIDE. 7G WEIGHT.
7.  SIZE 12 or 'Y'.   8MM WIDE. 10G WEIGHT.

THESE RINGS ARE SOLID STERLING SILVER -  Compare the Weights as well as Widths listed to other Sellers'.

ALSO FLAT SIDE WEDDERS
8. SIZE 10.75 or 'V'.   6MM WIDE. 4G WEIGHT. 
9. SIZE Q DOUBLE BLACK BANDED RING.  9 MM WIDE. 8G WEIGHT.  HALLMARKED. [Last Photo] 

CAN BE RE-SIZED. VERY WELL MADE .