Perfected quetzal whistle blueprint

Perfected Quetzal Whistle Blueprint is a members-only item on the OSRS Grand Exchange in the other category.

In-game examine text: "A perfected blueprint for a quetzal whistle."

It has a Grand Exchange buy limit of 50 every four hours, a high alchemy value of 4.5k gp, and item ID 29256.

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Perfected Quetzal Whistle Blueprint shows an active flip setup with a margin of +4.3k gp and 620 trades over the last 24 hours.

At the buy limit of 50 every four hours, max profit per cycle is about 214.9k gp — high margin with healthy liquidity.