3. Inside the oval form are 2 signs which together probably are to be read out as Omotohi, one of the names for Full Moon:
The little figure inside the top end of the 'egg' is a kai sign:
The sign below him is probably meant to show how Waxing Moon is ending (at left) and how Waning Moon lies in front. 2 henua signs have been arranged so as to form an apex (where Full Moon is located):
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