From 16.09.2016 0:00 to 16.09.2016 23:59 you can find on item shop:
On sale:
DC-Voucher (1000) - Price: 1005 DCs
DC-Voucher (500) - Price: 510 DCs
DC-Voucher (100) - Price: 115 DCs
DC-Voucher (50) - Price: 65 DCs
Cobra Costume / Bonus (m) - Price: 49 DCs
Cobra Costume / Bonus (f) - Price: 49 DCs