I have a used Seimitsu LS-56-01 with white ball top for sale. Works fine just recently sold my HRAP3 so I don’t have a use for this. $20 shipped U.S. only
I guess I’ll also trade for a LS-32-01.
I also have 8 30mm, 2 24mm white Hori buttons for sale. $13 shipped for all the buttons