Just in case you don't know, each side is a pair. I'm not positive which side this is but I think the left. Some times the flat piece is pierced as if for a screw and sometimes not. The flat piece usually if found with a sticky adhesive. I hope others can say more about this oft missing piece.
Ken the piece you show is the passenger side (I previously located one for my project GTV) from what I remember in taking the trim apart, when the outer trim is screwed against the inner flat piece the pressure holds the curved outer piece to the other pieces of trim. These are not easy pieces to find and if one does they're normally pricey.
Once I finish the next batch of DCOE Return Spring Brackets these cam cards will be in the works. I have two styles happening, one similar to the conventional Shankle design used to check and scribe new marks and another version that allows you to verify the marks without removing the...