Issue of 1934 Overprinted "PRIMER CONGRESO - NAL. DE HIGIENE Y - MED. DEL TRABAJO" 1936
Now showing: Mexico - Postage stamps - 1936 - Issue of 1934 Overprinted "PRIMER CONGRESO - NAL. DE HIGIENE Y - MED. DEL TRABAJO" - 1 stamps.
1936
Issue of 1934 Overprinted "PRIMER CONGRESO - NAL. DE HIGIENE Y - MED. DEL TRABAJO"
5. December WM: 7 Perforation: 10½