That's interesting - I had no idea. I wonder if there are still any about that aren't black. (Incidentally, deerhounds also used to come in different colours - brindle, red, yellow etc. Another Scottish breed that for some reason seems to have lost the diversity of its coat colour.)
There were quite a few brindles still around twenty years ago, but wheatons were very rare. My nan was a kennel maid for one of the countries top breeders, she specialised in brindles. I spent quite a bit of time there as a kid, I once spent a couple of hours looking through her libray, which she held for the sco