Feit Electric 60-Watt Equivalent ST19 Dimmable Straight Filament Amber Glass E26 Vintage Edison LED Light Bulb, Warm White 2100K ST1960/VG/LED/HDRP - The Home Depot
I found this old lightbulb in my Grandparents' house finished in 1902 and it still works : r/mildlyinteresting