Law rune

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

In-game examine text: "Used for teleport spells."

It has a Grand Exchange buy limit of 18,000 every four hours, a high alchemy value of 144 gp, and item ID 563.

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Law Rune currently has a flip margin of −2 gp, which isn't profitable to flip right now despite 14,657,047 trades over the last 24 hours.

Items with negative or zero margins like this are better watched than actively flipped until the spread widens.