In Spain from October 19, 1868 until January 1, 2002 was used the currency of the peseta. Currently the official currency in Spain is the Euro.
There are coins of peseta that commemorate historical figures such as Franco, King Juan Carlos I, sporting events such as the 1982 World Cup. There are coins that are the same except the number of the interior of the star that belongs to the year in which it was minted.
You can also collect more current commemorative Euro coins dedicated to famous artists such as Rafael Alberti.