El Banco de Mexico S.A., 1961 Uncut Progress Proof Sheet of 4 Banknotes.
Mexico. 1961. Uncut sheet of 4 progress proof banknotes from El Banco de Mexico. All are 50 Pesos, P-49, but Unlisted in Proof format, Blue on multicolor underprint, Portrait of Allende at left, Back is blank except for Bank seals, Wide margin at left with light blue text, wide margin at bottom with blue x's. Printed by ABNC. Choice VF to XF condition. ABNC. (4)
Estimate: USD 350 - 500