Lower Left Blocks
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4p Blue PCP/PVAD 13A 11B dot
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4p Blue PCP/PVAD 15A 11B no dot
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4p Blue PCP/PVAD 15A 11B dot
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4p Blue PCP/PVAD 16A 12B no dot
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20p Sepia and Purple. 17A 11B no dot
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20p Sepia and Purple. 22A 13B dot. Original colour
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