1976

SG614 with "white flaw below Roo's foot (three-footed roo)" (BW733f)

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SG614a with major gold shift left

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SG620 with "black dot on hill" (BW737d)

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SG621 with "retouch over RT" (BW740e)

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SG633 with "island off Cairns" on £2 stamp (BW753e)

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SG633 with "dark shading on £2 stamp" (BW753, Mc11)

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SG634MS with "nick in brown band" (BW754d)

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