| 摘要 |
PROBLEM TO BE SOLVED: To provide a letter, by which snapshots, fallen leaves or the like can be surely sent at a low cost. SOLUTION: A folding line 1 is engraved at the vertical middle of rectangular semi-transparent synthetic paper sheet so as fold the paper sheet into two in order to form a front paper piece 2 and a rear paper piece 3. A white ink 5 is applied on the inner surface 4 of the front paper piece and further an adhesive is applied on the white ink on the inner surface of the front paper piece and on the inner surface of the rear paper piece so as to complete a letter for pinching thin displaying matters such as the snapshots, the fallen leaves or the like between the front paper piece and the rear paper piece.
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