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S A T U R D A Y

Where once the romantic Pony Express rider epitomized the tireless letter carrier, now it is the pejorative and deadly phrase, “going postal.” As the stresses of mail-handling have changed, so have the structures. National Postal Museum Director James Brun’s illustrated lecture, “Varying Standards of Postal Architecture, 1850-1930,” may not deal directly with the notion of metal-detection devices as design element, but it will surely provide an interestingly ironic subtext while looking at pictures of Victorian general stores and Thomas Hart Benton murals. At 2 p.m. at the National Postal Museum, 1st & Massachusetts Ave. NE. FREE. (202) 357-2627. (DN)