Here's a link to the amazing saga of the Walter Johnson collection of signed Opening Day tosses from the first five Presidents to do so starting with Taft in 1910, which were donated to the Hall of Fame by Johnson's son Eddie in 1968, brazenly stolen from a display case there four years later, broken up and passed around the hobby like hot potatoes for years, and eventually all five recovered by the FBI and returned to the Hall 30 years later.
https://www.washingtonpost.com/wp-dy...2004Oct20.html