Rune scimitar

Rune Scimitar is a free-to-play item on the OSRS Grand Exchange in the weapons category.

In-game examine text: "A vicious, curved sword."

It has a Grand Exchange buy limit of 70 every four hours, a high alchemy value of 15.4k gp, and item ID 1333.

View on OSRS Wiki

Rune Scimitar shows an active flip setup with a margin of +199 gp and 33,522 trades over the last 24 hours.

At the buy limit of 70 every four hours, max profit per cycle is about 13.9k gp — high margin with healthy liquidity.