Look here if you have bought revoked gifts:

1. Accounts listed above includes the owner of this account and one of his alt. trading account.
2. If you have bought revoked gifts, contacting the seller via these accounts for resolution is more effective than contacting Dispenser.tf.
3. If needed, these are the accounts to be reported to Steam support.

Cards are fixed for my shop, buy away!

I don't sell games, just items from them, due to the possibility of them being "revoked". That being said, it'll likely be TF2 items.