Lost Property Report — Item: Stone (black, spherical, palm-sized)

First report. April 7. Filed by: Sasaki. Found at: main ticket gate. No owner came forward. Weight: 312 grams. Clerk Yano’s note: “Disposal deadline May 7.”

Second report. April 14. Filed by: Yoshimura. Found at: south exit bus stop. Believed to be same item as previous report. Weight: 318 grams. Yano’s note: “Should have been disposed of. Re-accepted.”

Third report. April 21. Filed by: illegible. Found at: staff corridor. Weight: 331 grams. Yano’s note: “Scale may be broken.”

Fourth report. April 28. Filed by: Yano. Found at: Yano’s desk. No memory of filing. Weight: 350 grams. Stone is currently in Yano’s drawer. It is warm.