>>4182025 lb - from this video
Start watching a little before that - at around 2:12:43.
From this angle you can see Jeb figditing around quite a bit as they are preparing to move the casket. Looks like he drops something too and picks it up. Everyone else looks still.
Then the view shifts to the front looking towards them. Laura has her hands down holding the program. Did Jeb give her what was dropped, then she read it and showed it to him??