The symbol used by the Zodiac Killer to sign his correspondence
A fossilized Eocene/Miocene flower from the Green River formation in Utah. I guess that makes it somewhere between 5 and 50 million years old, more likely somewhere in the 20-30 range.
It’s really a beautiful preservation, almost perfect even.
(Source: Flickr / insignificantnobody)
(Source: Flickr / odnokn)