6c green with '16 - 73' & 'GUADALAJARA district overprint, a fine imperf block of four used with central GUADALAJARA cds dated 1873, margins tight to touching and a couple o small tone spots but a scarce multiple. (SG 87, Follansbee #87)
6c green with '16 - 73' & 'GUADALAJARA district overprint, a fine imperf block of four used with central GUADALAJARA cds dated 1873, margins tight to touching and a couple o small tone spots but a scarce multiple. (SG 87, Follansbee #87)