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The ornamental design for a letter-opener, as shown and described. |
FIG. 1 is a perspective view of a letter-opener showing my new design;
FIG. 2 is a side elevational view thereof, the other side being a mirror copy of this side;
FIG. 3 is a top plan view thereof;
FIG. 4 is a bottom plan view thereof;
FIG. 5 is a rear elevational view thereof;
FIG. 6 is a cross-sectional view thereof according to line VI--VI of FIG. 2; and,
FIG. 7 is a cross-sectional view thereof according to line VII--VII of FIG. 2.
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