AT the blew Ball in Great Knight-Rider street, by Doctors Commons, is Sold that Famous Powder, called, Arcanum Magnum, formerly prepared by that Learned Riverus, Physician-Regent to the French King, and Approved by most Persons of Quality in Christendom, for Preserving the Face; For being used in time, it prevents the Face from ever being wrinkled, though they live to very old Age; And it Cures all sorts of read Faces, it takes away all Heat, Pimples, Sun-burnt and Morphew; it likewise prevents superfluous hair growing on Womens Faces; And in short, it adds more Lustre and Beauty to the Face, then any Powder or Wash ever prepared by any other Person, as many Persons of Quality in England can testify, who do daily use it for the Face, Neck or Breast; And all that use it do admire it above any thing ever used to beautify the Face; It is prepared by no one in England, but at the blew Ball in Great Knight-Rider-street, by Doctors Commons, where it may be had at Twelve-pence the Paper, or two revilings the Paper, that all persons may receive the benefit, though formerly never Sold to any but those that would bestow a Guinney more at one time in it.  
I am a Physician and give my Advice gratis in all Distempers.