Okay,here are some interesting figures and statistics for you.
So far over 200,000 + Physical Bitcoin coins created since 2011.
Out of 106 creators 13 (Approximately 12%) turned out to be scams. (Integrity Compromised)
Approximately 50,000 Physical bitcoins compromised.
Approximately 30% +/- 5% of Physical Bitcoin coins have been opened/redeemed.
Approximately 30% +/- 5% of Physical Bitcoin coins are unopened/unpeeled/unloaded.
Approximately 30% +/- 5% of Physical Bitcoin coins are loaded.
Estimation of 2,500 +/- 500 Gold Physical Bitcoins
Estimation of ****** Silver Physical Bitcoins
Estimation of 300 - 600 +/- 100 Physical Bitcoins graded 70
https://bitcointalk.org/index.php?topic=5490729.0All of this is sourced from my research *^