Enter the Collect Limited-Edition State Cans for a Chance to Win Prizes | Coca-Cola US. Prize: each receive a digital coupon for one free 20 oz Coca-Cola Original Taste, Coca-Cola Zero Sugar, or Diet Coke (valid through September 22, 2026), ARV up to $3.50 each. Entry frequency: Daily Entry. Eligibility: Open to legal residents of the 50 U. Ends September 8, 2026.