Mahogany plank

Mahogany Plank is a members-only item on the OSRS Grand Exchange in the other category.

In-game examine text: "A plank of expensive mahogany."

It has a Grand Exchange buy limit of 13,000 every four hours, a high alchemy value of 900 gp, and item ID 8782.

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Mahogany Plank currently has a flip margin of −37 gp, which isn't profitable to flip right now despite 4,925,993 trades over the last 24 hours.

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