Mitsudomoe
Three swirling commas — Hachiman's crest; the triple interplay of heaven, earth and humanity.
Tradition: shinto, japanese · Period: Heian / Kamakura
Sources
Image: CC BY-SA 3.0 · Tomoe.jpg: http://en.wikipedia.org/wiki/User:Mitsukai derivative work: chris 論 · source. Please keep this credit when you use it.