Mexico
Exist unwatermarked (MI MX 772Y).
| Country: | Mexico |
| Type: | Postage stamps |
| Series: | 400th anniversary of the first printing house in Mexico |
| Nominal: | 20 ¢ |
| Year: | 1939 |
| Size: | 25 x 32 mm |
| Perforation: | 10½ |
400th anniversary of the first printing house in Mexico
 1st engraving in Mexico |  1st. Constitution - Printing in America |  Reproduction of oldest printing in Mexico |  Juan de Zumárraga 0.15$ |
 1st Printing shop 0.15$ |  Antonio de Mendoza 0.1$ |