Lot 20290 – 1864 Zacatecas/ San Luis Potosí 1 Real Ultramarine Eagle 1st Period No District Name on cover

Zacatecas- San Luis Potosí 1r ultramarine, a very rare pair with mostly very good margins on August 2, 1864 entire letter with no district name overprint, from Carro, Zacatecas to Mexico City. A significant rarity of this issue as a « no district name » cover. NF$300 as singles off-cover.Note: The First Period Eagles have the district name only, but no consignment number, and it only lasted from May to June 1864. At the very beginning of this period, some districts did not overprint the stamps with the district name.