The ribbon cable is gold mylar. Search this forum for those words & you'll learn all about it.
The last pic looks as though it could be gold plated something-or-other, but the weight of the base material is so high that the relative value of the gold plating, if there is any, is overwhelmed. I usually throw stuff like that in my gold connectors bucket, and show my buyer when I sell them... maybe get an extra couple of cents a pound on the connectors.
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