Zora identifies Craft's back tattoo as being a cyclops owl.
A cyclops owl was a type of raptor depicted with a single large eye. In the 23rd century, cyclops owl imagery was only found on Alcor IV.
In the 33rd century, Zora identified Craft's tattoo as being a cyclops owl, which allowed her to infer that he was from Alcor IV. (ST: "Calypso")