JSON for currencies that were replaced by the Euro. Source http://en.wikipedia.org/wiki/Euro

euro_currencies.json

{
  "Austria" : { "former_currency_name" : "Austrian schilling", "former_currency_iso3" : "ATS", "euro_rate" : 13.7603, "fixed_on" : "1998-12-31", "yielded" : "1999-01-01" }, 
  "Belgium" : { "former_currency_name" : "Belgian franc", "former_currency_iso3" : "BEF", "euro_rate" : 40.3399, "fixed_on" : "1998-12-31", "yielded" : "1999-01-01" }, 
  "Cyprus" : { "former_currency_name" : "Cypriot pound", "former_currency_iso3" : "CYP", "euro_rate" : 0.585274, "fixed_on" : "2007-07-10", "yielded" : "2008-01-01" }, 
  "Germany" : { "former_currency_name" : "German mark", "former_currency_iso3" : "DEM", "euro_rate" : 1.95583, "fixed_on" : "1998-12-31", "yielded" : "1999-01-01" }, 
  "Estonia" : { "former_currency_name" : "Estonian kroon", "former_currency_iso3" : "EEK", "euro_rate" : 15.6466, "fixed_on" : "2010-07-13", "yielded" : "2011-01-01" }, 
  "Spain" : { "former_currency_name" : "Spanish peseta", "former_currency_iso3" : "ESP", "euro_rate" : 166.386, "fixed_on" : "1998-12-31", "yielded" : "1999-01-01" }, 
  "Finland" : { "former_currency_name" : "Finnish markka", "former_currency_iso3" : "FIM", "euro_rate" : 5.94573, "fixed_on" : "1998-12-31", "yielded" : "1999-01-01" }, 
  "France" : { "former_currency_name" : "French franc", "former_currency_iso3" : "FRF", "euro_rate" : 6.55957, "fixed_on" : "1998-12-31", "yielded" : "1999-01-01" }, 
  "Greece" : { "former_currency_name" : "Greek drachma", "former_currency_iso3" : "GRD", "euro_rate" : 340.75, "fixed_on" : "2000-06-19", "yielded" : "2001-01-01" }, 
  "Republic of Ireland" : { "former_currency_name" : "Irish pound", "former_currency_iso3" : "IEP", "euro_rate" : 0.787564, "fixed_on" : "1998-12-31", "yielded" : "1999-01-01" }, 
  "Italy" : { "former_currency_name" : "Italian lira", "former_currency_iso3" : "ITL", "euro_rate" : 1936.27, "fixed_on" : "1998-12-31", "yielded" : "1999-01-01" }, 
  "Luxembourg" : { "former_currency_name" : "Luxembourgish franc", "former_currency_iso3" : "LUF", "euro_rate" : 40.3399, "fixed_on" : "1998-12-31", "yielded" : "1999-01-01" }, 
  "Latvia" : { "former_currency_name" : "Latvian lats", "former_currency_iso3" : "LVL", "euro_rate" : 0.702804, "fixed_on" : "2013-07-09", "yielded" : "2014-01-01" }, 
  "Monaco" : { "former_currency_name" : "Monegasque franc", "former_currency_iso3" : "MCF", "euro_rate" : 6.55957, "fixed_on" : "1998-12-31", "yielded" : "1999-01-01" }, 
  "Malta" : { "former_currency_name" : "Maltese lira", "former_currency_iso3" : "MTL", "euro_rate" : 0.4293, "fixed_on" : "2007-07-10", "yielded" : "2008-01-01" }, 
  "Netherlands" : { "former_currency_name" : "Dutch guilder", "former_currency_iso3" : "NLG", "euro_rate" : 2.20371, "fixed_on" : "1998-12-31", "yielded" : "1999-01-01" }, 
  "Portugal" : { "former_currency_name" : "Portuguese escudo", "former_currency_iso3" : "PTE", "euro_rate" : 200.482, "fixed_on" : "1998-12-31", "yielded" : "1999-01-01" }, 
  "Slovenia" : { "former_currency_name" : "Slovenian tolar", "former_currency_iso3" : "SIT", "euro_rate" : 239.64, "fixed_on" : "2006-07-11", "yielded" : "2007-01-01" }, 
  "Slovakia" : { "former_currency_name" : "Slovak koruna", "former_currency_iso3" : "SKK", "euro_rate" : 30.126, "fixed_on" : "2008-07-08", "yielded" : "2009-01-01" }, 
  "San Marino" : { "former_currency_name" : "Sammarinese lira", "former_currency_iso3" : "SML", "euro_rate" : 1936.27, "fixed_on" : "1998-12-31", "yielded" : "1999-01-01" }, 
  "Vatican City" : { "former_currency_name" : "Vatican lira", "former_currency_iso3" : "VAL", "euro_rate" : 1936.27, "fixed_on" : "1998-12-31", "yielded" : "1999-01-01" }
}