Originally Posted by Chiilaa
I am not denying that the horse has white on its flanks. However, rabicano is heaviest on the flanks - it is the starting point of rabicano, it is where it should be the absolute heaviest, and the center of the concentration should be right in front of the hind leg, where the hair goes the other way right there. The OP's horse has less white there than anywhere else. That is why I don't think rabicano.
I definitely see the horse could be sabino on the one side- on the other side there looks like rabicano brindling on the ribs and looks like it starts at the flanks and draws out to the belly-- sabino and rabicano!!