*Scott No.: 777b (minisheet)
Date of Issue: April 20, 1998
Minisheet: Undersea Wildlife
Species: Red-eyed Tree Frog (Agalychnis callidryas)
*Scott No.: 1398
Date of Issue: March 15, 2018
Set: Extinct Animals
Species: Golden Toad
*Scott No.: 1417 (stamp in minisheet)
Date of Issue: March 15, 2018
Set: Mushrooms
Species: Wood Frog (Rana sylvatica)
*Scott No.: 2121
Date of Issue: June 12, 2020
Set: WWF , Stamp pictures Liechtenstein #908.