Hi guys!

A friend of mine told me he had some classic PC titles including a rare version of Day of the Tentacle. The game came in a triangular box, and it still has all of the original contents. Here's a picture of the game:


I mentioned him owning this in another thread but I couldn't get much information on it. Any idea what this version of the game is worth? I can't seem to find anything online about this particular version.