Zambia Zambia Philately: 1966 WHO New Headquarters Building – 3d WHO New Headquarters Building James Gavin 18/05/1966 Details Designer: Michael Goaman Printer: Harrison & Sons Ltd., London Process: Photogravure Paper: Watermark: None Perf: 14.5 Cylinders: 1A (Gold), 1A (Blue), 1A (Red-brown) 1B (Gold), 1B (Blue), 1B (Red-brown) Sheet: R12 x 5 Quantity Cylinder Numbers Sheet Numbers Varieties Follow Me! Related