Typing /give FrakCK210 minecraft:skull 1 3 {SkullOwner:""} and putting the head in the head armor slot will cause the inventory items to be invisible

Thank you for your report.
However, your ticket has been resolved as a duplicate.

This issue has been linked to the original bugreport: MC-73731. You can find or add further information on that report.
Please search before reporting any bugs, as it's likely that one exists already.

@Mustek
I intentionally duplicated that one.

@Lucas
Please don't duplicate reports. It fills up the list of recent reports with lots of the same thing. If you wish to try getting a bug fixed faster, you can vote for it.

@unknown

I intentionally duplicated that one.

Simply don't do that.