This issue is a variant of Justice League #1 Justice League Day 2017 Special Edition (DC, 2018 series) #1.
Special HoustonStrong cover variant, only 1000 copies said to be printed. Distributed for free at Local Comic Book Store events in Houston on 11/18/17, all known copies were pre-signed on the cover with black Sharpie by Jim Lee and Geoff Johns (it is unknown if any unsigned copies exist). The red/orange/yellow background is in honor of the 2017 World Series champion Houston Astros. “HoustonStrong” is the slogan used during recovery from Hurricane Harvey (August 2017).