Might have a smallish monocrome CRT in storage somewhere, 9pin connector, maybe 9", from an old intel 8088 computer.
Or amber CRT from Heidenhain Positip 850 DRO, perhaps 10-12" just CRT with electronics, would need new box/enclosure.
Not sure if either one still works, might need repairs, if interested, I'll dig them out and send pictures.
25Fr each.