BRITISH COVERS
1964
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23rd Apr 1964: SG646 to SG650 - "Shakespeare Festival"
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First Day Cover - Ordinary
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First Day Cover - Phosphor
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1st Jul 1964: SG651 to SG654 - "20th International Geographical Congress, London"
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First Day Cover - Ordinary
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First Day Cover - Phosphor
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5th aug 1964: SG655 to SG658 - "Tenth International Botanical Congress, Edinburgh"
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First Day Cover - Ordinary
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First Day Cover - Phosphor
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4th Sep 1964: SG659 and SG 660 - "Opening of Forth Road Bridge"
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First Day Cover - Ordinary
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First Day Cover - Phosphor
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