Valiant stamps are not working. Tried to trade some in for t4a

Lestat2499

I have 28 valiant stamps. But they are not recognized in the store now. Says I have zero. How can I use them?

Buttehrs

Did you convert them to the new version

Lestat2499

Did not know we needed to.

SummonerNR

https://forums.playcontestofchampions.com/en/discussion/376936/daily-card-conversion-gone#latest