The brackets in the above picture are found in Southampton, Ontario. These may be the rarest and the most unusual bracket I have ever seen.

Google Maps Link: https://www.google.ca/maps/@44.4894791,-81.3668515,3a,90y,349.98h,96.59t/data=!3m6! 1e1! 3m4! 1sn6R-wJHNzCK1kaMKfNAyuA! 2e0! 7i13312! 8i6656

Photo Credit: Google Maps