A-one Label Seal Laser (A4, No Cut) 28381

Thank you for looking.
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* A-one Label Seal (28381).
?Label seal with excellent printability for laser printers.
?No cut, so you can cut and use it freely.

* This product is sold on Amazon for ￥864.
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I purchased multiple sets of the same product several years ago, but since I ended up not using some of them, I am listing them for sale.
As far as I can tell visually, there appears to be no sign of opening as shown in images 3-5, but I cannot definitively say it is unopened.

I believe it is likely new and unopened, but since I cannot completely rule out the possibility that it was opened once in the past, I have set the product condition to Near unused / Used a few times with little signs of wear and priced it accordingly.

There is a possibility that there are fewer than 19 sheets, but please only purchase if you understand the situation described above and are willing to accept it even if there are not 20 sheets.