The Sinclair C5 Hi Vis Mast Top Original is a unique and iconic product designed by the British brand Sinclair. This special edition features a high visibility design, perfect for adding a touch of style and safety to your vehicle. Made in the United Kingdom, this mast top is a must-have for any Sinclair C5 enthusiast looking to customize their ride with a genuine, authentic piece of British engineering.
Please have a look at the photos for the condition. all photos have been uploaded in high definition.
 Looks like one of the pegs has been slightly broken off. Should stop it from working as it should do though. Maybe used for a template. 
Thanks for looking. I do have a few more Sinclair C5 parts coming up check my other listings.