I went through four boxes today and got a pile of silver...more 90%'s than 40%'s including two barbers.
Brinks half box #321: 6-walking, 25-bens, 14-64's, 21-40%
Brinks half box #322: 3-walking, 6-bens, 7-64s, 3-40%s
Brinks half box #323: skunk
Brinks half box #324: 2-barbers, 4-walking, 19-bens, 12-64s, 18-40%, 1-1927penny
Box 321

Box 322

Box 324

Zoom in on box 324
Final totals on the three boxes: 2-barbers, 13-walkers, 50-bens, 33-64s, 42-40%
140 silver halves!
Wow...I'm speechless. Just keep on rolling.