@AngelsDevil, keep in mind that the certificates above are not "Certificate for Diamond" (which gives you diamonds when used) but "CertificateÇ Lucky Invesment" (which gives you additional bonus for purchase). Please make sure that you activated the correct certificate.
16:12 200 Diamonds successfully transferred to your account. Thank you for your custom.
16:12 You have received a bonus of 50 diamonds.
16:12 The bank owner wants to pay his respects and state his hopes for future collaboration on mutually beneficial terms, so he has transferred 120 to your account!
Original links were incorrect and have been updated. This event is for activation of last month's certificates for bonus rewards. For payment to get a certificate for next month, it would be later in the month. Example event: https://warofdragons.com/info/news/?show=news&id=6295
News
Ogriy and 
Khair! Bankers of Faeo have good news for all those who have Lucky Investment cerificates!
