# 421 – CZECHOSLOVAKIA / 4, amphibian

Socialist Republic of CZECHOSLOVAKIA

stamp: 1 koruna

year: 1983

amphibian: frog – Rana esculenta

Oglasi

# 383 – VIETNAM / 8, amphibian

Socialist Republic of VIETNAM

stamp: 500 đong

yaer: 1991

amphibian: frog – Mantella aurantica

# 369 – SWITZERLAND / 5, amphibian

Confederation of SWITZERLAND

stamp: 90 + 45 rappen

year: 1997

amphibian: frog

# 349 – BELGIUM / 4, amphibian

Kingdom of BELGIUM

stamp: 17 francs / 0,42 €

year: 2000

amphibian: frog

# 289 – TANZANIA / 8, amphibian

United Republic of TANZANIA

stamp: 300 shillings

year: 1996

amphibian: frog – Hyperolius cinctiventrus

# 247 – VIETNAM / 7, amphibian

Socialist Republic of VIETNAM

stamp: 3000 đong

year: 1991

amphibian: frog – Hyla aurea

# 219 – CZECHOSLOVAKIA / 3, amphibian

Socialist Republic of CZECHOSLOVAKIA

stamp: 3 korun

year: 1989

amphibian: frog – Bombina variegata