Sunday Simulacra - Version 6.13

This week's set of simulacra are leaving their mark on this world. Some a little more permanently than others.

This skull stain showed up on my own son's night stand after he left some sill putty sitting in the same place a for a couple of days.

And Dani Adams discovered this condensation skull underneath a glass of water in Denver, CO.

Some skulls are there to be noticed for a long time, some are fleeting moments caught by the watchful eye. What kind of simulacra can you find? Be sure to submit them so we can display all of the great hidden skulls out there. Thanks, Dani!