1950 Mexico Architectura y Archeologia re-entries!

[Rein]

The 50c Aereo printed on the WIFAG with perforation 11 1/2:11 has indeed a real re-entry [renewed moletting] - as discovered by Filatemusico - on quite likely the whole stamp in a least 4 positions! Who will check this out on their complete sheets???

Some are hardly visible but still in the "F" or 'AF", or shifted just upwards or shifted upwards with different shifts to the right ....

[Rein]

Some are hardly visible but still in the "F" or 'AF", or shifted just upwards or shifted upwards with different shifts to the right ....

[Rein]

Some are hardly visible but still in the "F" or 'AF", or shifted just upwards or shifted upwards with different shifts to the right ....

[Rein]

Some are hardly visible but still in the "F" or 'AF", or shifted just upwards or shifted upwards with different shifts to the right ....