Running 'xsetwacom get $id Serial' gives:
Repository has moved to https://github.com/linuxwacom/libwacom
libwacom 0.29
data: Add ISDv4 50b4 tablet
data: fix PairedID entry for the DTH-2452
libwacom 0.28
data: Styli shipped with the One by Wacom have two buttons
data: Add 2nd-generation "One by Wacom"