Muri Bhalissa: Guanacaste - Bolol tal-posta (1885 - 1889) - 6 bolol.
1888
Costa Rica Postage Stamps No.10-13 Overprinted "Guanacaste" or "GUANACASTE" Vertically
WM: Xejn Perforazzjoni: 12
1888
Costa Rica Postage Stamps No.15-16 Overprinted "Guanacaste" Vertically
WM: Xejn Perforazzjoni: 12