12 июнь 2020, 18:1212.06.20
The faction you'd receive for the accessory rewards are random.
The banner may be in your inventory and it's just harder to spot if you don't uncheck red dots for new items. It also may have went into your mailbox if your accessory inventory slots were maxed out.
If you want someone to check your account and verify this for you, you may submit a ticket to support.