PCGS SLab Timeline

Does anyone know the approximent dates of the begining and ending of the following?
1. Rattler Holder
2. Green Holder
3. Blue Holder (Current)
PLease add any others i have missed, thanks
1. Rattler Holder
2. Green Holder
3. Blue Holder (Current)
PLease add any others i have missed, thanks
0
Comments
In honor of the memory of Cpl. Michael E. Thompson
While the research is superb, there are a few minor errors. I have seen, for example, some Eliasberg coins in Regency holders, and since the first sale was in 1996 the Regency clearly must have been in use later than the dates Conder has shown here.