Upper ten thousand

Also found in: Wikipedia.
the ten thousand, more or less, who are highest in position or wealth; the upper class; the aristocracy.

See also: Upper

References in classic literature ?
Dickens, he said, was for the million, and Thackeray was for the upper ten thousand.
The English and Australian Cookery Book: Cookery for the Many, as well as for the Upper Ten Thousand by an Australian Aristologist, http://nla.