![My katana has been in storage for a while, and after taking it out again, I've noticed a hairline crack in the middle of the blade. Any ideas how this could have My katana has been in storage for a while, and after taking it out again, I've noticed a hairline crack in the middle of the blade. Any ideas how this could have](https://i.redd.it/uay0gdorrs471.jpg)
My katana has been in storage for a while, and after taking it out again, I've noticed a hairline crack in the middle of the blade. Any ideas how this could have
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Amazon.com : Katana,Hand Forged,Medium Carbon Steel bade,Red Paint Crack Scabbard : Sports & Outdoors
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Shirasaya Katana | Handmade Japanese Shirasaya Katana Sword T10 Carbon Steel Real Hamon Without Tsuba - TrueKatana
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