Board Thread:Speculation House/@comment-24994749-20140528132457/@comment-4010415-20141218034833

Some of us are pretty sure the thing Yang drew on the chalk board is Qrow's emblem, since you see it behind him in the flashback.

Or... What if the symbol behind Qrow is his symbol, but the symbol on the chalkboard is Raven's symbol? And their emblems together make a pair of winged eyes?