Arena Coins Value wrong at the melding pot?

[ShadowRap411]

Hello,

the chatacabra Arena gives you Chata Coins and "Spitzencoins" dont know the english version. The "Spitzencoin" is a reward for getting an A-Rank.

So you just use this for trading at the melding pot or ore?

It looks like the Coin for getting A Rank has the wrong value at the melding pot. it has the same value as a chata-coin.
Both have 15 Trading points.

this cant be correct or?