A web search produced this definition:Brush-Off Leather: First the leather tannery adds color to the leather, and then in the boot manufacturing process a brushing wheel takes off some of the color for a richer finish.
FedEx came early. Here are my bourbon Dalton 2nds straight out of the box. Can't really find any major defects yet! VERY HAPPY! In the 3rd picture thought I might as well show these off in front of my own bourbon.