Yugoslavia

Scott No.: 665-6
Date of Issue: June 8, 1962
Species: Yellow-Bellied Toad (Bombinator pachypus), Marsh Frog (Rana ridibunda)

Scott No.: 1297
Date of Issue: May 25, 1976
Species: Edible Frog (Rana esculenta)
Series: Youth Day

*Scott No.: 2291c, d
Date of Issue: March 23, 1995
Species: Grecian Frog (Rana graeca), Syrian Spadefoot Toad (Pelobates syriacus balcanicus)