XXI Congreso Internacional de Ciencias Fisiologicas- Iván Petróvich Pávlov (1849-1936) Fisiólogo.-
Caution
This fully reproduced in this stamp in other electronic or printed without the express permission of the owner.
If you are interested contact the owner Stamp: Herman Cudris Castañeda
Descripción / observaciones
Premio Nobel (1904) Michel:Ar 698 - Stamp Number:Ar 684 - Yvert et Tellier:Ar 600 - Stanley Gibbons:Ar 945 . Göt:Ar 1122 - Gz:Ar 769
