Apple 14" Color Plus display, probably. A decent shadow mask (not trinitron) CRT.
The worst thing about the Color Plus is its tendency to blow its internal fuse. At this age, your is probably either immune, or has long since had its fuse replaced with a slow-blow fuse which doesn't succumb so easily to the problem in those displays.
I got about ten years of good service out of mine before it developed some kind of brightness bloom. I had to replace the internal fuse within a couple of years of original purchase. Ten years is pretty good for an old "economy" CRT monitor.
The worst thing about the Color Plus is its tendency to blow its internal fuse. At this age, your is probably either immune, or has long since had its fuse replaced with a slow-blow fuse which doesn't succumb so easily to the problem in those displays.
I got about ten years of good service out of mine before it developed some kind of brightness bloom. I had to replace the internal fuse within a couple of years of original purchase. Ten years is pretty good for an old "economy" CRT monitor.