After following the first 7 phases of the John Ergatoudis Collection auction
http://puzzles.baxterweb.com/phaseSummaryAll.asp
it is now clear to me that I only own a collection of toys and not a puzzle collection.
Here is a summary of the Ergatoudis Collection auction as of Phase 7:
791 items sold
$463,525 amount made
$586.00 average per puzzle
$210 Median selling price
$12,200 Highest sold item
87 items sold for more than $1,000
16 items sold for more than $5,000
6 items sold for more than $10,000