TIA 2005: Art from Ephemera (Mail Art and the Internet)
Text and Image Arts
School of the Museum of Fine Arts, Boston
Fall 2007 - Spring 2009

Monday, February 11, 2008

postcard specs for USPS

Physical Standards for Cards Claimed at Card Rates
1.2.1 Dimensional Standards for Cards
Each card (each stamped card or postcard or each half of a double stamped card or postcard) claimed at a card rate must be:

Not less than 3-1/2 inches high, 5 inches long, and 0.007 inch thick.
Not more than 4-1/4 inches high, or more than 6 inches long, or greater than 0.016 inch thick.
Rectangular, with four square corners and parallel opposite sides. Card-size pieces meeting the standards in 1.2.1 may have finished corners that do not exceed a radius of 0.125 inch (1/8 inch). See Exhibit 1.1.1c.


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