Here is a new Cane Creek 1 1/8 black anodized aluminum threadless headset top cap. I ncludes silver hex bolt and a star nut for use with aluminum/steel steerer tubes; if using the top cap with a carbon fork, the star nut is not used.
Here is a lightly used Marin 1 1/8 black anodized aluminum threadless headset top cap. The anodizing on the top side has faded to a dark gray/platinum color due to sun exposure. C lean condition with light surface wear shown in photos.