Perfected quetzal whistle blueprint

The Perfected quetzal whistle blueprint is a members-only Old School RuneScape item — “A perfected blueprint for a quetzal whistle.”. Its Grand Exchange buy limit is 50 per 4 hours. Right now it buys at 39,350 gp and sells at 57,718 gp — a net margin of 17,214 gp (43.7% ROI) after the 2% Grand Exchange tax of 1,154 gp. High alchemy yields 4,500 gp.

To flip it, place a buy offer near 39,350 gp and a sell offer near 57,718 gp; the spread minus GE tax is your profit. Confidence figures are model estimates from live OSRS Wiki prices, not guarantees — flip responsibly.