don't recall seeing a piece of St. Louis before - could be wrong but the back stamp appears to be sandblasted, it has a grainy sort of look - across the centre it reads St. LOUIS - above is the word CRYSTAL and below is FRANCE - I had hoped it might have been Baccarat. Without doubt the heaviest bowl I've ever acquired, and we anguished in the charity shop as to what the back stamp read, but couldn't make it out. The mitres are 20 mm deep, and the bowl weighs a ton - rim is beveled both sides of a cut flat surface - thickness at the rim is c. 13 - 14 mm and at the base obviously much more. Diameter is 8.5/8 inches - c. 22 cms.
Quality is obvious, but for what this must have cost new it lacks appeal in an artistic sense - I think the money must simply be for the name. I've had a quick look on the screen, but don't think this design is a current model, so assume it dates perhaps to a handful of years prior to C21, and likely to be the most modern piece I have. If anyone has a more accurate idea of age would love to know. thanks for looking.