Defining "Score" all depends on someones need or passion.
Personally I am not into BMX even though I spent decades selling it, working on it, even designing it when I was the mechanic for the Diamond Back team during the heyday of Harry Leary and Eddy King. Hate to say that I had tons of team issue only stuff that was disposed of. So my interest have me looking around the fringe of your find.
30 NOS coasters may only provide someone with quality hubs for modern builds or someone building vintage (pre-freewheel) BMX wheels.
Any bulk find of NOS items is a score, although at the same time it diminishes the individual part value.
As I mentioned small items like cable housing which is essential for vintage road bike builds is a score but not necessarily any great financial windfall.