

A second, freeware expansion, Grand Theft Auto Mission Pack #2: London 1961, was released for personal computers in July 1999, to coincide with the release of the Grand Theft Auto games on the internet. It is much shorter in length, and features the same map and characters as London 1969, but takes place eight years prior.









I’m guessing it wasn’t (well) oiled. Oiled boards are fairly easy to clean and nothing will soak into them as long as they’re cleaned after using.
Might come off with scraping and oiling, so treat the board again. Otherwise the spot is not going to be harmful in any way and cutting boards get marked over time in any case.