Not really: that one's a doozy. In the close-but-no-cigar category...

http://new.myfonts.com/fonts/bitstream/picayune-intelligence-bt/roman/

Is that the fertilization of an egg?

You might be thinking of Mercury. More outstanding ‘g’s in this older thread.

Yes, maybe I'm thinking of my grade 11 biology textbook...
Anyway thanks for the suggestions (the Mercury is along the right lines), and I enjoyed the all those gs in Florian's thread.