Great Britain 1964 (Variety) 4d Geographical Congress ordinary, inverted waterma

Great Britain 1964 (Variety) 4d Geographical Congress ordinary, inverted watermark. GREAT BRITAIN 1964 (VARIETY) 4D GEOGRAPHICAL CONGRESS ORDINARY, INVERTED WATERMARK4d International Geographical Congress ordinary single with inverted watermark. GREAT BRITAIN 1964 (VARIETY) 4D GEOGRAPHICAL CONGRESS ORDINARY, INVERTED WATERMARK 4d International Geographical Congress ordinary single with inverted watermark. Aden 1939 (MLH) Definitives, SG16-27, SC16-27.

Aden 1955 (MNH) 5c Minaret plate 1 block, bluish green. Aden 1953 (MNH) 50c Map plate 1 block, dull blue.

Aden 1964 (MNH) 1s25c Colony Badge plate 1-1 block.

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