plate block

noun Philately.

a block of four or more stamps containing the number or numbers of the printing plate or plates in the margin of the sheet.

Nearby words

  1. platan,
  2. platband,
  3. plate,
  4. plate armor,
  5. plate armour,
  6. plate culture,
  7. plate girder,
  8. plate glass,
  9. plate mark,
  10. plate proof Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019