#15 if it is reflective (often gold on one side and silver on the other) it is likely a light reflector used when taking portraits. It reflects diffused light ("white" or with a golden tone) onto the subject.
“My wonderful boss is retiring and while cleaning out her desk today, she pulled out this mystery item. She’s been trying to identify it for over 10 years!”
#15 if it is reflective (often gold on one side and silver on the other) it is likely a light reflector used when taking portraits. It reflects diffused light ("white" or with a golden tone) onto the subject.
I didn't know what these were, but I found a whole bunch of them in my parents' basement and I used them to hold up christmas lights lol