I’ll actually answer your question
CRT Sports Cards is focused on Polar Bear cards and has gone as far as tattooing two arm sleeves worth of art dedicated to T206 cards
https://youtube.com/@crtsportscards?si=GaVScgJTF2NcM3Go
T206 Museum is jam packed with information. I don’t know how this guy has only a few hundred subscribers.
https://youtube.com/@t206museum8?si=SDmHnP0NzffCjH6c