Notes
The stuff a sale report has no room for. How the houses actually behave, what a price does and doesn't tell you, and the corrections I've had to make.
There is no list of the most expensive jerseys ever sold — only lists of the ones sold by somebody. Four of the real top ten are missing from the one everybody cites.
Eleven calls graded in public. Five right, six wrong — plus the first lot-by-lot velocity series ever captured on a live sale, and what it says about every call we have made.
Eighteen calls on Goldin’s Summer Game Used sale, graded in public. Thirty-nine percent — and why the misses, not the hits, are the product.
One access sale said the market runs backwards. Julien’s is running nine more in five weeks — with a built-in control group. Written before any of them close.
Heritage has the Hand of God ball at a ten million dollar floor. The comparison it's priced against doesn't transfer — and my own data says I might be wrong.
Across 60 graded lots, 82% of my calls sat above the final price by a median of 42%. Here's the correction, applied before the next set went out rather than after.