Zambia Zambia Philately: 1966 WHO New Headquarters Building – 1/3d 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 (), 1A (), 1A () 1B (), 1B (), 1B () Sheet: R12 x 5 Quantity Related