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 shows an active flip setup with a margin of +8 gp and 4,849,624 trades over the last 24 hours.

At the buy limit of 13,000 every four hours, max profit per cycle is about 104.0k gp — high margin with healthy liquidity.