Spring Clips that retain front molding pieces - where to buy?

[68blk500c]

Doug:  In my experience, I haven't seen your style of threaded fastener used on 68 grill surrounds.  Maybe others have.

[68blk500c]

For further reference, a picture of both NOS clips: "10" & "11".
Also, a note on the quantity of each for each surround trim piece, according to information available in the Ford MPC, as well as assembly manuals.