ChinaGB 1861 envelope to ITALY / T.O.2 / Underpaid
envelope bearing SG70, 6d pale lilac tied by Sheffield 700 duplex with red PD erased by London T.O.2 obliterator with handstruck instructional "Insufficiently Prepaid" in black, charged 8 erased and taxed 14 on arrival in Napoli. Scarce item of Postal History. (pt)
