Lot 10290 – 1876, 500r orange, block of four from the right of

1876, 500r orange, block of four from the right of the sheet, complete sheet margin exhibiting ABN « Compañía Americana de Bil… » imprint in Spanish, full fresh original gum with light hinge marks and one stamp unmounted; one of the finest examples known of the largest unused multiples, of which seven are recorded (several without gum), this being one of just two with imprint; this stamp has only 13 unused multiples recorded (no strips known), which provides evidence of its scarcity; (RHM $9’000+)

Provenance: Dr. de Amaral Machado.