Granite longsword

Granite Longsword is a members-only item on the OSRS Grand Exchange in the weapons category.

In-game examine text: "A razor sharp longsword made of stone."

It has a Grand Exchange buy limit of 70 every four hours, a high alchemy value of 19.2k gp, and item ID 21646.

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Granite Longsword currently has a flip margin of −257 gp, which isn't profitable to flip right now despite 569 trades over the last 24 hours.

Items with negative or zero margins like this are better watched than actively flipped until the spread widens.