stamp expert mark (Q4530601)

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mark of an expert on the reverse of a stamp, confirming the expertisation
  • expert mark (philately)
  • experts mark
  • expertising mark
  • expertizing mark
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Language Label Description Also known as
English
stamp expert mark
mark of an expert on the reverse of a stamp, confirming the expertisation
  • expert mark (philately)
  • experts mark
  • expertising mark
  • expertizing mark

Statements

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