Machine Postmark Parallel Issue: the same postage stamps cancelled at the same time with different machine postmarks |
Machine Postmark Text Parallel Issue: the same postage stamps cancelled at the same time with a machine postmark with different texts |
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postage stamps cancelled with a machine postmark with advertising for a postal check account or for Bad Kissingen |
Machine Postmark Kind Parallel Issue: the same postage stamps cancelled at the same time with different machine postmark kinds |
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postage stamps cancelled with full or half impression machine postmark |
