Stamps, chemical engineering school 25th issue

List | Catalog | Gallery | All issuers || Edit
1 to 1 of 1

Mexico

postage

1973, Dec 7 chemical engineering school 25th issue wmk. MEX & eagle p. 14
Colnect-2156-427-Unsaturated-Hydrocarbon-Molecule.jpg
X 40c multi stylized hydrocarbon molecule

1 to 1 of 1