The Nobel peace prize is handed out by a different committee compared to the other prizes, so how its handled should generally not be seen as an indicator for the other Nobel prizes.
I don't know and I don't care about that faux prize.
The Peace prize is handled by a special Norwegian committee in accordance with Nobel's wishes, so it has its own everything (including its own ceremony), while the other prizes are all under the same umbrella in some form (although I believe the scientific subcommittees doing the acual awarding are independent).