1863 MAIL LIVERPOOL TO CADIZ, SPAIN WITH DIE 2 1D RESERVE PL.16 (SG40b) x 6, POSTAGE UNDERPAID WITH INSTRUCTIONAL MARKS. Good to fine entire, slight creasing, from Liverpool to Cadiz, Spain with good to fine horizontal strip of six Die 2 1d Reserve pl.16 (SG40b) lettered MA MB MC MD ME MF tied good strikes 'LIVERPOOL/466' duplex SP 8 63. Stamps lettered MB and MD show variety 'M DOUBLE' (Spec C13g). Postage underpaid with circular 'PD' hand stamp in red overstruck with London '50' Inland Office numeral in black, fine strike 'INSUFFICIENTLY/PREPAID' hand stamp in black and Spanish '4R' hand stamp in red. On reverse 'CADIZ' date stamp 14 SET 63. Good usage. (Ref 141872).