Who's the maker of this gold ring 'ST'

[makocz]

I searched all the places I know of, even trademarkia but I just can't find the maker or the ring with simple mark 'ST'.

I would be much obligated for any clues or help.

Thank you

http://i254.photobucket.com/albums/hh86 ... cebkwk.jpg

http://i254.photobucket.com/albums/hh86/cry4moons/RRING%20ST_zpsdhcebkwk.jpg



[img][IMG]http://i254.photobucket.com/albums/hh86/cry4moons/RRING%20ST_zpsdhcebkwk.jpg[/img][/img]

[dognose]

Hi,

Are there no other marks on the ring?

Trev.