Lot 863
863
El Banco de Sonora, a small group of Proofs, Specimen notes and sheets from the 1897-1911 issue, also some related development and production materials including Proofs, together with El Banco de Tabasco, a small group of Proofs with some development and production materials(185)

Details
El Banco de Sonora, a small group of Proofs, Specimen notes and sheets from the 1897-1911 issue, also some related development and production materials including Proofs, together with El Banco de Tabasco, a small group of Proofs with some development and production materials(185)