C'est mon impression !

http://forum.wordreference.com/showthread.php?t=1264647

"Off-the-page selling invites customers to respond to press advertisements for
specific products. Orders are placed direct with the manufacturer, by post,
telephone or electronic mail (e-mail). This technique is used in a wide range
of markets, both consumer and business, and includes companies specialising
in a certain product range, such as the Franklin Mint (collectables). Catalogue
companies primarily use off-the-page as a means of generating interest in a
catalogue title, rather than immediate selling
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Note added at 5 days (2010-03-27 12:11:38 GMT) Post-grading
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Merci Odile !