Quoted from ajfclark:bigd1979 It's at least early production as, like mine (#2506), it has the VUK for the video mode ramp that was removed in later production.
See https://www.flickr.com/photos/147361763@N02/29879341228/in/album-72157696476240142/
Note that hole is not present to the right of "Leaving For World Tour": https://www.ipdb.org/showpic.pl?id=3513&picno=51629
Yes, it's just an early game, not a prototype. Nice looking game though.