+ Issue Date : 21/03/1963
+ Classification : Postage Stamp
+ Printer : Hélio Courvoisier S.A., La Chaux-de-Fonds, Switzerland
+ Printing : Photogravure
+ Paper : Granite Paper
+ Watermark : Unwatermarked
+ Perforations : 11½
+ Separations : Normal Perforations
+ Gum Type : Gum
+ Shape : Rectangular
+ Orientation : Horizontal
FAO 'Freedom From Hunger' campaign.
Granite paper has colored (typically red and/or blue) silk fibers added to the furnish. Another name for granite paper was silurian paper as it only contained blue fibers and the paper was bluish-gray.