These are Rebecca Bowman's underwear costume from the beginning montage of "The Thunder Man," when she masturbates while thinking about Lucas Hood. There is a hand-sewn flesh-colored front on the inside to make the front less see-through. These were from the Banshee Prop Sale in September 2015.
Screen-matched: The left side seam makes this pretty easy. The uneven joined edges of the garment body and the lace edging are identical, and no lace details are ever exactly duplicated. The flower patterns in the lace have cutout-like spots that match the piece exactly. The pilled thread ends are the same.