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| Pre-stamp usage of a letter mailed from
Cienegas to Monclova on April 21, 1852 bearing the single line
"MONCLOVA" strike and a "2" in red indicating 2
reales due from the recipient upon delivery. |
 |
| An undated letter mailed to Saltillo from
Monclova bearing the Monclova box with date and the 2 line "FRANQUEADO
EN MONCLOVA" cancels in red (sent collect). |
 |
| Pre-stamp usage on December 10, 1833 a
letter mailed from Monclova to San Buenaventura struck with the two line
"FRANQUEADO EN MONCLOVA" in red (collect). |
 |
| Letter bearing the Monclova Administration
cachet pre-paid 2 reales and struck with the single line
"MONCLOVA" cancel. Circa 1825. |
 |
| Also Administrative usage this letter was
mailed to Musquiz from Monclova bearing the Monclova Administration
cachet and the box and date cancel in red. |
