Italian Colonies (Libya) 1952 Incoming Mail from GB

bearing 2 1/2d SG507 Pale Red tied by London Roller, addressed to Tripoli North Africa, underpaid with TAX handstamp and Libya Postage Due 2 mill Brown Yvert 48, 5 mill Green Yvert 49, and 5 mill Red Yvert 50, tied by Tripolitania datestamp on arrival. Very scarce commercial use of Libyan Postage Dues. (pt)    ID: 5762