or in regular light...
I recently decapped some old chips that were ceramic packages with a soldered on metal cap. A 486 DX2[0] and an old Analog to digital converter IC [1].
the bare silicon was beautiful once exposed..(Pics posted without filters, though huawei's photos are generally more saturated than I normally like)
[0]https://www.instagram.com/p/BudTdillc-K/
[1]https://www.instagram.com/p/BudTG3Ml2ki/