The Collaborative International Dictionary of English v.0.48:

Peseta \Pe*se"ta\, n. [Sp.]
   A Spanish silver coin, and money of account, equal to about
   nineteen cents (ca. 1900), and divided into 100 centesimos.
   Now replaced by the euro.
   [1913 Webster + PJC] Peshito

WordNet (r) 3.0 (2006):

peseta
    n 1: formerly the basic unit of money in Spain; equal to 100
         centimos [syn: peseta, Spanish peseta]