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Notice 123 | Postal Explorer
Priority Mail Express, Size, Price. Flat Rate Envelope. Priority Mail Express Flat Rate Envelope 12-1/2 x 9-1/2, $30.45. Legal Flat Rate Envelope.
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Using USPS Confirmation Services with Digital Mailing
Jan 12, 2004 There is no charge for Delivery Confirmation when you ship by Priority Mail and provide an electronic file to the Postal. Service. The USPS also
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Priority Mail
Flat Rate boxes and envelopes, starting at $7.95. Allows sender to ship any size package (up to. 70 pounds) to any state at a flat price. A
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