Value Points :
The sculptor clearly showed the expression of contempt, cold sneer and arrogance / a good imitation / representation of king’* feelings / expression on his face.
Detailed Answer :
The ‘hand’ referred to in these lines is the sculptor’ hand who carved out the statue so skillfully that the expression of contempt, a cold sneer and arrogance were clearly shown. It was a good imitation, representing the king’ feelings. The hand of the sculptor seemed to be mocking the king’* self-obsession and passion.