We personally can’t confirm these supposed cancelled concept art has genuine but nevertheless, they look nice. A particular artist has stated that he worked on concept art for independent video game studios awhile back for the production of Spyro The Dragon and Crash Bandicoot video games.
According to JunkieMonkeys, artist Ryan Harrison has stated that he previously worked on two major video game franchises for an independent game company. Both game has since been cancelled though it’s unsure if these facts are genuine.
Production for the games started in April 2012 but a year later both titles were cancelled. Ryan Harrison states that he is still under NDA and could not give any details about the video games but was allowed to release his concept art. You can view some of the art below and more pieces from Ryan Harrison here.