Ethiopia 1966 UNESCO - 20th Anniversary
From Stamps of the World
- Date of Issue : 30 November 1966
- Quantity Issued: 200,000 sets
- Designer: Modified from Common UN Design
- Perforations: 13.5 X 13.5
- Printer: Bradbury, Wilkinson & Company Ltd., New Malden, Surrey. Great Britain
- Printing Process: Lithography