Stamps Category Economy

Pulp and Paper.
Herman Cudris Castañeda
50 Years of the Transportation Industry
Herman Cudris Castañeda
machinery
carlos ródenas ferré
Tapring Rubber - Federation of Malaya.
Herman Cudris Castañeda
Mining for Bauxite - British Guiana.
Herman Cudris Castañeda
Oil Refinery - Trinidad and Tobago.
Herman Cudris Castañeda
National Agricultural, Livestock and Industrial Fair 1950 - Tuna Fishing in Puntarenas.
Herman Cudris Castañeda
Industry
Hector Mario Camargo Pulido
foundry
carlos ródenas ferré
Mexico-change
Miguel Angel Sancho