| 摘要 |
A unitary molded frame includes an article support and a first display wall fixedly mounted on the frame above the article support. A second unitary molded element includes a second display wall and a third display wall. The second unitary molded element is mounted movably on the frame so that the second display wall can be moved to a first position at which said second display wall faces the first display wall and the third display wall is presented for viewing by an observer; and the second display wall can be moved to a second position at which the second display wall and the first display walls are presented for viewing by an observer.
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