Hi,
Hannants xtracolor has the colour you need.
http://www.hannants.co.uk/search/index.php?adv=1&product_category_id=&product_division_id=&manufacturer_id=8272&product_type_id=&code=&scale_id=&keyword_search=presidential&setPerPage=25&sort=0&search_direction=0&save_search_name=&save_search=
Cheers,
Ian