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  Andorra – Duplicate packet – MintFind out more
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  Australia – Duplicate packet – MintFind out more
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  Austria – Duplicate packetFind out more
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  Berlin – Duplicate packetFind out more
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  British colonies – Duplicate packet with incomplete approval booklets – Mint and/or cancelledFind out more
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  Bulgaria/Romania – Duplicate packetFind out more
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  Christmas seals in sheetsFind out more
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  Comoros – Duplicate packet with airmail – MintFind out more
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  Cyprus – Duplicate packet – MintFind out more