Also what looks like a five-pointed star and a crux ansata on the top cross segment, tilted at roughly the same angle as that C.
Yes could be correct-
also
13 x 4 garnets = 52 weeks in a year
10 garnets in circle = 10
62 garnets
gold balls 7 x 4 = 28
7 balls = 7 days in a week
4 weeks in a month?
28 days?
Could be an OMEGA Gk. letter directly opposite the ``E`` on the left side back on the circle joint?
Could be ``J`` directly above the ``C`` and at the bottom rt. of the top segment?