What are the PMs that can be found in this?

[Drewcifer]

I've came across several of these type of screens is ours depopulating very circuit boards and I was wondering what kind of PMs could be in these? Is there silver?

 

[Drewcifer]

Not sure why I can't post the picture but it is one of those little circuit boards to have a screen that you usually can get out of both devices or old School radios the section has the circuits inside that look like they could be letters if they were illuminated a certain way

 

[butcher]

Try the attachment tab to upload files from your computer.

Since it is not likely to be the older pixie tubes, it is likely to be an LED segment or a more likely a liquid crystal display.