Here I will go noting some pages that can serve us of aid:

-http://www.didstore.es

 

-Numismas

 

-http://www.alava.net/euroaraba/home.htm

 

-Fuenterrebollo

 

-http://www.mundimoneda.com

 

-http://www.mundonumismatico.com

 

-Papel moneda

 

-http://www.worldcoingallery.com