Viser nå: Guanacaste - Postfrimerker (1885 - 1889) - 6 frimerker.
1888
Costa Rica Postage Stamps No.10-13 Overprinted "Guanacaste" or "GUANACASTE" Vertically
VM: Ingen Perforering: 12
1888
Costa Rica Postage Stamps No.15-16 Overprinted "Guanacaste" Vertically
VM: Ingen Perforering: 12