A 400-Year-Old ‘Friendship Book’ Contains Hundreds of Signatures of Historical Figures.
Between 1596 and 1647, art dealer and diplomat Philipp Hainhofer traveled around Europe amassing an incredibly rich collection of signatures in the “Große Stammbuch,” or “Album Amicorum.”
By Grace Ebert via @colossal
https://www.thisiscolossal.com/2020/08/phillip-hainhofer-album-amicorum/
About Album amicorum:
https://en.wikipedia.org/wiki/Album_amicorum