The Mark,cover*type 4 is the lowest priced item on this Side Cover Stripe schematic.
The Side Cover Stripe is made up of components including this Stripe,r.*type 1 which is the most expensive.
A sample from the products for the Side Cover Stripe include: Stripe,r.*type 3, Mark,cover*type 4, Stripe,l*type 3, Stripe,l.*type 2.