The image that person was referring to is this one:
Edit: I forgot to mention that I cannot say for sure if this image is official. I don't think it is, because it wasn't taken with 100% size and it looks like it's using antialias, which the CMs don't use. I believe it was created by a player and started to circulate between players.
In it, you can find replicas of the following items:
But only 5 replicas are currently in the client files. And as you can see, there were also Silver replicas of the items, but they were never used. All these replicas were initially added to the client files at once, but they were later removed, with the exception of the Golden Crown. Currently, before each Tournament CipSoft adds to the files the corresponding prizes: trophies and replica. Now, only these five can be found:
Update March/2022: CipSoft has announced the final tournament, Ascension. The reward for this Tournament will be a Golden Warlord Sword. It's worth pointing out, however, that this Golden Warlord Sword is slightly different than the one initially released:
The answer was updated accordingly.