Just an observation of the stock image from NASA released 3-29-2011.
This was the first orbit captured photograph taken from MESSENGER to be released to the public.
I inverted color, cropped, rotated, set contrast to 63.
Does it not resemble the ancient alchemy symbol for Mercury?
The crater is called Debussy ~ π
Original released 3-29-2011
A colleague also pointed out that the circle and dot in the center of the crater resembles the Alchemical Sol symbol and it also seems that the Luna symbol is near the intersection of the right arm of the cross.
High Strangeness ~ π