Galapagos Islands, Set of 5 Wildlife Banknotes, 500 to 10,000 Nuevos Sucres, 2009. CU Polymer. This set of five polymer banknotes was issued by the Oficina Intercambiara de Ultramar del Antartico and can be exchanged for United States dollars at the Antartica Overseas Exchange Office, LTD. for a period of ten years from the date of issue, which was February 12th, 2009.