Lot 40034 – 1866, 20r brown carmine, block of nine (3×3), mint

1866, 20r brown carmine, block of nine (3×3), with full original gum which is slightly rust spotted on reverse, small perf. reinforcement hinge at base, the second largest multiple recorded of the RHM 24a, of which two are known, a highly remarkable item in this shade and in mint condition; ex Dr. de Amaral Machado.