There's a typo stamped onto the MGS5 special edition PS4, but manufacturing errors seem to add value these days, so don't despair if yours is one of them.
Admittedly it's not something glaringly obvious, unless you're familiar with the periodic table or are in the business of making steel alloys. The 'caution' message next to the Diamond Dogs logo warns against using molybdenum lubricant - except it actually says "molybdeum".
Make sure you hold on to your sides to prevent them from splitting with all of the laughing that you must be doing. You'll be laughing all the way to the bank if you've already got your hands on one of these.