Mithril knife(p+)

The Mithril knife(p+) is a members-only Old School RuneScape item — “A finely balanced throwing knife.”. Its Grand Exchange buy limit is 7,000 per 4 hours. Right now it buys at 156 gp and sells at 387 gp — a net margin of 224 gp (143.6% ROI) after the 2% Grand Exchange tax of 7 gp. High alchemy yields 16 gp.

To flip it, place a buy offer near 156 gp and a sell offer near 387 gp; the spread minus GE tax is your profit. Confidence figures are model estimates from live OSRS Wiki prices, not guarantees — flip responsibly.