A few checks:
Good condition AT101W, Matias Click switches, restored and painted backplate, original keycaps.
Good condition AT101W, Matias Click switches, restored and painted backplate, new Tai-Hao doubleshot keycaps (if the spacebar works with the Matias stabs).
Wyse WY-30, retrobrighted, restored and painted backplate, converted to USB (external converter) new RJ-9 cable, retooled BOX Navy and/or Jade switches, (the F1 keycap is missing and would be replaced with a blank, relegendable, or transparent keycap)