User blog comment:LEONIDAS 666/ARMOUR/@comment-203.221.167.51-20120502222358

because if you look closely you can see that they are black drops of blood not a eye (no red dot in the middle) he is the primarch of the Blood Angels and so thus it is fitting that he wears their symbol, also Horus and Sanguinius were the closest of brothers amongst the primarchs so it seems likely that they would share a similar chapter symbol.

here's a question, why does Horus's right gauntlet look exactly the same to teh Emperors left gauntlet