Segells Any 1981

Ramphastos Sulfuratus
Carlos Rosales Varderi
Dryocopus Lineatus
Carlos Rosales Varderi
Pteròlebes Longipinnis
Carlos Rosales Varderi
Austrolèbies Nigripinnis
Carlos Rosales Varderi
Coridores 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
Nymphaea Lotus
Carlos Rosales Varderi