As your topic is more of a Payments issue, I've moved this thread over to the correct forum . As for claiming your reward, have you linked your account already?
• The 14 days membership should stack immediately with the current membership. • The Exclusive outfit is automatically added to your wardrobe. • Plushies are automatically added to your inventory or reclaimed from Diango. • Treasure Hunter keys are automatically added to Treasure Hunter. • RuneCoins are automatically added to the Solomon's Store. • All other rewards are added automatically to your inventory or Diango. If inventory is full, it will be held until there's room and you've relogged or claimed from Diango.
If your account has Iron status, you should receive everything except Treasure Hunter keys and reward Chest. Please make sure the rewards are in your inventory, bank, Diango and check back if you still have issues.