If you are missing more than 5 keycaps, consider replacing the with an aftermarket Alps keycap set. While not original, it will make the board usable.
Unlike standard keycap sets that focus merely on alphabetical layouts, the 122-key creator sets emphasize functionality. They often include: vam 122 creator key top
If you are looking for a physical "keycap" replacement for a mechanical keyboard labeled "VAM," you can use a keycap puller If you are missing more than 5 keycaps,
: These are flat-topped (uniform height) keycaps, often praised for a consistent, satisfying typing experience. They have a larger surface area than Cherry profiles, reducing finger fatigue. MOA Profile often praised for a consistent