|Of all not returned||2.17%||2.1%||2.12%||2.08%||2.45%||2.12%|
Durango, un real.
Fifth period, consignment 141-1865.
Sub-consignment 4-1866 to Cerro Gordo.
The digit 4 is always mirrored in the sub numbers.
The digit 4 on the right stamp is upside down.
|State||City pop.||District pop.||Distance to Mexico City||Sub-numbers overprinted?||Survival rate|
|Durango||12500||40000||766 km. (476 mi.)||Yes||Average|
Many of the 4R and 8R stamps were sent to sub-offices. They were often bi- or quadri-sected to meet the needs for lower denomination stamps. Corbett estimated that only 350 ½R stamps were sent to sub-offices in the entire Eagle period, and on just four invoice to four different sub-office (Papasquiaro, Gavilanes, Cerro Gordo and Penon Blanco).
Sub-consignment overprinting began in 1865 with sub 19 1865 on third period stamps from invoice 233 1864.
Durango had 16 sub-offices in the Eagle period:
Buendias, Canatlan, Cerro Gordo, Cuencame, Gavilanes, Guichapa, Mapimi, Mineral del Oro, Nazas, Nombre de Dios, Papasquiaro, Penon Blanco, San Dimas, San Juan de Guadalupe, San Juan del Rio and Santa Rosa.