Didn't know where to post this, but was just having a look at r/AFL. Someone bought a guernsey from BLK during their sale, with the option of a heat pressed number. They were not too pleased.
https://www.reddit.com/r/AFL/comments/3p76ss/just_got_my_crows_jumper_from_blk/
That was ggDropbear. He posted it in the BLK thread on the Crows board. Looks like they just went with their standard rugby font.