can someone pls. help us in identifying these barstools?  

we have these 4 cantalevered barstools and would love to know either if someone can identify them, or if perhaps we could be directed to a resource for finding this out. the white leather and the chairs themself are very high quality and we acquired these chairs from the home of a multi-millionaire... everything else in that home was "the best" -- the only marking we can find is stamped into the chrome tubing and says "made in italy".

any help or ideas would be much appreciated. thanks in advance!