Mk1 Cabriolet roof corner trim plates needed

Hi, does anyone have any idea where I can get these from or what they are called please? They sit either side of the front header bar. They were not on my car when I bought it and they are causing a right leak in my car. Any help greatly appreciated. 

Corner trim plates.

Contact hibbs or funkstar on here, as they may have some.

Moved to parts wanted section.

Pair of new ones in black £20