Ben Jonson, in "The Alchemist" gives a very vivid and amusing picture of an astrologer and his gull. Act 1, Scene 3. Subtle (the astrologer), Face (his agent), Drugger (a tobacconist).
[65.]Subtle. What is your name, say you, Abel Drugger?
Drugger. Yes Sir,
Sub. A Seller of Tobacco?
Dru. Yes, Sir
Sub. 'Umh,
Free of the Grocers?[96]
Dru. I, and't please you.
Sub. Well,
Your business Abel?