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.