We've confirmed that you have received our store's gift card worth $150 last week. We wish that the purpose of this letter was to congratulate you on your receipt of the gift card. However, we are sorry to say that the gift card was sent to you by an accident.
Although we inevitably have withdrawn the balance left on your gift card already. we'd like to offer you an alternative gift a 20% discount on any product your purchase from us within the next two months.
we sincerely apologize for our mistake and hope you keep shopping at our store.