Malawi Malawi Philately: 1965 Provisional Overprints – 3s. Cotton Industry thedigitalphilatelist 14/06/1965 Details Subject: Cotton Industry Designer: Victor Whitely Printer: Harrisons and Sons Ltd, London Process: Photogravure Paper: Watermark: None Perf: 14.5 (comb) Cylinders: 1A (Blue) 1A (Brown) Sheet: R10 x 6 (60 stamps) Quantity: Cylinder Numbers Related