Looks like they have those here: https://retroradionics.co.uk/#!/Zx-Spectrum-48k-&-128k-toastrack-keyboard-membrane/p/68556689/category=0 https://retroradionic

Looks like they have those here: https://retroradionics.co.uk/#!/Zx-Spectrum-48k-&-128k-toastrack-keyboard-membrane/p/68556689/category=0 https://retroradionics.co.uk/#!/Zx-Spectrum-48k-&-128k-toast...