Using bragada for this type of patterning also highlights the fact that while sabinos (of all kinds) have a range of white expression, the width of that range can vary dramatically. 

Sabino1 is different from some of the patterns in the W series in name only... Visually, many of these patterns are indistinguishable from one another.

This post gives an overview of this complex group of patterns and gives a brief explanation of how they have been named. Perhaps no other...