How common are HP 38G with a black screen?

[carolinahomes]

(12-03-2023 01:37 PM)rprosperi Wrote:  ...just never noticed since it's typically not an interesting model, at least for most members here.

My particular only reason of interest: It's compatible with the InVision 48 in my collection.
This happens to be the same reason why I now have an overhead projector. Perhaps I should've been a teacher.