Scott No.: 849a-d
Date of Issue: November 21, 1997
Species: Veragua Robber Frog (Eleutherodactylus biporcatus), La Loma Treefrog (Hyla colymba), Red-Webbed Treefrog/Canal Zone Treefrog (Hyla rufitela), Red-Webbed Treefrog/Canal Zone Treefrog (Hyla rufitela)
Scott No.: C470
Date of Issue: November 26, 2003
Set: Endangered Species
Species: Costa Rican Variable Harlequin Toad (Atelopus varius) and Harpy Eagle