You're absolutely right; I used to have one and remembering seeing those engravings. It also had really thick tiles! Very unattractive by today's standards, haha.
Selling together only. Specifications and photos below.
Shenghou* Megaminx
black plastic
vinyl stickers (some small cuts/peeling)
smooth turning quality (shouldn't require much lube)
Rubik's World
multi-colored plastic
cool globe stand
ok turning quality with some lock-ups (requires lube!!)...