YEMEN - ROYALIST ISSUES 1966 10b violet 'YEMEN AIRPOST' provisional handstamp on postal stationery Formula Aerogramme (H&G 5, Kessler 4), very fine used with 'Camp Mansur' cds cancel and boxed 'First Day Cover' handstamp alongside. Very scarce, ex the Conde correspondence. (Image1)

Est. £100-120