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How many stamps does a 9x12 manila envelope need?
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Amazon.com : Quality Park 9 x 12 Clasp Envelopes, Storing or Mailing Documents, 28 lb Brown Kraft, 100 per Box & Pendaflex File Folders, Letter Size, 8-1/2" x 11", 1/3-Cut Tabs, 100 Per Box : Office Products
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