I’ve just started selling the Patera range of deep well bezels in my shop. They’re not cheap as they’re made in the US from cast pewter and then coated (the £50 postage and customs bill didn’t help either!). I have a small selection of shapes in antique gold, antique silver, sterling silver and copper. Here’s one I made earlier…
PennyDog Patchwork (and illustration, recipes, other crafts...) 