Depicted on the right is His Royal Highness, of
The woman at the left must be the goddess Minerva
(Athena) who is usually shown wearing a crested helmet, holding
a shield and pike. That the sketch is of the goddess is further
suggested by the fact that Minerva appears on the Great
Seal of California.
(Also compare the bottom most banknote where Minerva
is unmistakable in the crest.)