Stamps Category Economy

Saltpeter
Herman Cudris Castañeda
Oil Drilling Rig - Airplane.
Herman Cudris Castañeda
Oil tank.
Herman Cudris Castañeda
Copper - Copper Mine
Herman Cudris Castañeda
Corn - Agricultural Product.
Herman Cudris Castañeda
Petroleum Valves - México Exporta.
Herman Cudris Castañeda
Digit in decagon - Inflation.
Herman Cudris Castañeda
National Oil and Petrochemical Industry - 10th Anniversary of PDVSA - Meneven S.A (Subsidiary of PDV
Herman Cudris Castañeda
National Oil and Petrochemical Industry - 10th Anniversary of PDVSA - Bariven S.A (Subsidiary of PDV
Herman Cudris Castañeda
Numeral Mark in a Crossed Oval - Germany Kingdom
Herman Cudris Castañeda