An unseparated group of no fewer than four stamps.
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“...At once authoritative and compelling." Royal Mail’s British Philatelic Bulletin |hello@philatelicdatabase.com
An unseparated group of no fewer than four stamps.
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[…] with inverted frame will perhaps suffice, though he should also be on the look out for pairs and blocks in which the inverted frame occurs se-tenant with the normal. The distinction between the normal […]