I found this ring years ago. It has a number of unusual marks on it. One I think is probably indicating 18 carat although it is not standard format.
https://picasaweb.google.com/lh/photo/xAN_My2x2j-SS92IadDJrA?feat=directlink
The cones or wedges, the number fours
https://picasaweb.google.com/lh/photo/RGoo2Qvo7FMLGxDdkFtniw?feat=directlink
and the F P
https://picasaweb.google.com/lh/photo/oqgAJNnlG9EzHbIUAtmVsg?feat=directlink
have me stumped. This is the complete ring from the top
https://picasaweb.google.com/lh/photo/qMEBBF0r-REi9IetEU7JThx5HsNJJaD3hkBRddOg6Zo?feat=directlink.
I'd love to know what country it is from. Any ideas? Thanks for your help :-)