Gordon told me how many of each he found but there is not a chance I could remember from that long ago.
IMO, other finds have showed since then.
Certain chips could still be scarce but I personally would not take a chance on any of them at big prices.
I quit adding "scarce" NV chips to my collection a number of years ago, so I am really not the person to ask. I just saw too much price proping on NV chips, to suit my taste.