okay so I didn't actually find these, I made them and they're real physical objects.
thanks to @spork for inspiring this with the phrase "36 Exposure Estradiol"
check out her story "Orthochromatic", too:
https://philo.gay/stories/orthochromatic.html
https://twitter.com/Flaming_Spork/status/1561388547654942720
I flattened out an empty roll of Superia 400 that I had and scanned it at 4800DPI on a flatbed scanner, and then carefully constructed the label based around it. I bought some fancy product labelling paper and printed them back out to scale and cut them out by hand with a craft knife and applied them to canisters.