Mark 12:16

And they brought it ,.... The penny, which was a Roman one, and worth seven pence halfpenny of our money:

and he saith unto them, whose is this image, and superscription ; for it had the head of an emperor upon it, very likely the image of the then reigning emperor Tiberius, and a superscription on it, expressing his name, and perhaps a motto along with it:

and they said unto him, Caesar's ; one of the Roman emperors, Augustus, or Tiberius; most probably the latter; See Gill on Matthew 22:20 , Matthew 22:21 .