timbres annee 1981

Pterolebias Longipinnis
Carlos Rosales Varderi
Austrolebias Nigripinnis
Carlos Rosales Varderi
Corydoras Arcuatus
Carlos Rosales Varderi
Anostomus Anostomus
Carlos Rosales Varderi
Poecilia Reticulata
Carlos Rosales Varderi
Cheirodon Axelrodi
Carlos Rosales Varderi
Nymphaea B.G. Berry
Carlos Rosales Varderi
Nymphée Lotus
Carlos Rosales Varderi
Nymphaea Dir.Geo.T.Moore
Carlos Rosales Varderi
Nymphaea Marliacea Chromat
Carlos Rosales Varderi
    8.765 timbres