|Release date||31 May 2006 (Update)|
|High Alch||900 coins|
|Low Alch||600 coins|
|Store price||1,500 coins|
|Exchange price||2,143 coins (info)|
|A plank of expensive mahogany.|
Mahogany planks are the highest level planks used in the Construction skill. Making items with mahogany planks gives 140 Construction experience per plank used. It's the most expensive plank you can make at a Sawmill for 1,500 coins each or buy from another player.
Players can chop down mahogany trees using the Woodcutting skill, Level 50 Woodcutting is required.
For higher level players the option of killing Zulrah for mahogany planks exists. He drops 50 at a time.
- Cold War - 1 needed. Mahogany planks are used to make penguin bongos which can be played while in penguin costume.