Stamps Year 1953

VII Centenary University of Salamanca (Tribute)
Herman Cudris Castaņeda
1122-Pro Tuberculosis
Jorge Nadal
Machinists.
Jose Ignacio Ruiz
Maxim Gorky.
Jose Ignacio Ruiz
Marx in front of the audience.
Jose Ignacio Ruiz
Syracuse coin.
Nemesio Ramirez Lemos
Max Planck.
Jose Ignacio Ruiz
Rudolf Virchow.
Jose Ignacio Ruiz
Theodor Fontane.
Jose Ignacio Ruiz
Otto Lilienthal.
Jose Ignacio Ruiz