How much does it cost to transport a postcard and how much does it cost to dispatch a regular envelope????
Answers: Letter, up to but not including 2 ounces, .41 cents. (Since postage is calculated on shipment, the postage on a regular envelope can vary. A Christmas card? usually lower than 2 ounces. Add .17 cents for each spare ounce up to 4 ounces then it jump you to Priority Mail rates, currently $4.60 and up.)
Regular Postcard, .26 cents.
Large Postcard, (over 6" x 4.25"), .41 cents
http://www.usps.com/rates/welcome.htm
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