What kind of a plate is it? Does it have notches?
Unfortunately, it's just a standard Filco plate. I had an extra one, so I polished it - I've attached a picture here for your reference.
![[WTS] Nothing. 106006-0](https://geekhack.org/index.php?PHPSESSID=9qssonkn5nalftseiohf67hd0kiv63iv&action=dlattach;topic=54518.0;attach=106007;image)
Edit-
That reminds me, there's also shelf lining inside the keyboard to dampen the noise.