A prototype of Saboteur for the Atari 2600 has found its way onto eBay. Saboteur was developed by Howard Scott Warshaw, the famous Atari game developer who also developed Yar’s Revenge, Raiders of the Lost Ark, and E.T. the Extra-Terrestrial. The game was never released by during the Atari days, but was eventually released in 2004 in cartridge form by enthusiast and later included in the Atari Flashback.
It’s also worth noting that the seller, jp-rex1, has a feedback score of 4973 with 99.8% positive feedback. The current asking price is $107.50.