The Collaborative International Dictionary of English v.0.48:

Moneyer \Mon"ey*er\, n. [From Money; cf. OF. monoier, F.
   monnoayeur, L. monetarius a master of the mint. Cf.
   Monetary.]
   1. A person who deals in money; banker or broker. [Obs. or
      R.]
      [1913 Webster]

   2. An authorized coiner of money. --Sir M. Hale.
      [1913 Webster]

   The Company of Moneyers, the officials who formerly coined
      the money of Great Britain, and who claimed certain
      prescriptive rights and privileges.
      [1913 Webster]

WordNet (r) 3.0 (2006):

moneyer
    n 1: a skilled worker who coins or stamps money [syn: coiner,
         minter, moneyer]