Rare Diet Coke Hat possibly by Donna Karan or Karl Lagerfeld Collaboration

Rare Diet Coke Hat! Fashion Forward Design Diet Coke Hat with DK initials. Baseball dad cap / diet coke cap by Coca-Cola. In Coca Cola colors white with red, silver and black graphics. Rare Fashion Forward Design, with bubbles and lady wearing a red coat with collar up. Likely designed for Coca-Cola by Donna Karan or Karl Lagerfeld. Could not get Coca-Cola archive to confirm. NWT. Great gift for the Coke collector too. Coke collectable. Was issued as a promo item.