timbres annee 1972 feuille 207

                                           
colombe mosaÃ¯que & raisins
                                  Jorge Gomez Rosas
                                
C147
                                  javier avila
                                
TRIDACNA SQUAMOSA
                                  Herberth Sierra  Licona
                                
LINCKIA LAEVIGATA
                                  Herberth Sierra  Licona
                                
GORGONES MILITHEA
                                  Herberth Sierra  Licona
                                
SPONDYLUS BARBATUS
                                  Herberth Sierra  Licona
                                
HEXABRANCHUS SANGUINEUS
                                  Herberth Sierra  Licona
                                
SQUILLE
                                  Herberth Sierra  Licona
                                
lutter contre le racisme
                                  Jorge Gomez Rosas
                                
SystÃ¨me solaire coperbique
                                  Jorge Gomez Rosas