Treasures from my grandfather's house

Buttons
An old darning egg that's obviously been used quite a few times
Old library cards from:
The Milwaukee Public Library issued August 19, 1954 and expired on August 20, 1957
The New York Public Library that expired on March 3, 1963
Plainfield Public Library, Plainfield, New Jersey expired March 26, 1965
Hays Public Library, Hays, Kansas expired April 24, 1984