Spain 50 Euro 2009 Numismatic Treasurers - Spanish cincuentin. Juan Carlos I(1975-2014). Averse: On the obverse is reproduced; occupying the central part; the obverse of a coin of 50 reales or Cincuentín; issued in 1609 under the reign of Felipe III. Lettering: ESPANA 2009 M 50 EURO · PHILIPPVS · III · D · G · 50 C. Reverse: The reverse reproduces the reverse of the original Cincuentin coined in the seventeenth century. Lettering: HISPANIARVM·REX·1609·. Edge Plain. Silver. Weight -168.75 g. KM 1205