“Behold, I am coming quickly, and My reward is with Me, to render to every man according to what he has done. I am the Alpha and the Omega, the first and the last, the beginning and the end.Blessed are those who wash their robes, so that they may have the right to the tree of life, and may enter by the gates into the city.…” Revelation 22:13
With Ankh cross at the middle we also see the reference of Janus – the two faced roman god of the crossroads, found over the doors meaning the entering of a new era, the past and the future. Janus or Januarius is related to the new year, the December 31th and January 1st.
The two faces are showing the two sides of brain, the creativity/metaphysics and the logic/ maths, both supported by two armed revolvers.