Silver bar

Silver Bar is a free-to-play item on the OSRS Grand Exchange in the bars category.

In-game examine text: "It's a bar of silver."

It has a Grand Exchange buy limit of 10,000 every four hours, a high alchemy value of 90 gp, and item ID 2355.

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Silver Bar currently has a flip margin of +0 gp, which isn't profitable to flip right now despite 342,223 trades over the last 24 hours.

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