My Last Day - S1-E24
Continuity mistake: When Jordan approaches the table, Elliot is seeping her tea bag. But when it cuts to Jordan her hands are around her cup with no tea bag in sight. (00:20:20)
My Last Day - S1-E24
Continuity mistake: Right at the end, when Dr. Cox turns to face JD there is a cup next to his right elbow, the shot cuts to further away, he gets up and storms off and the cup is no longer there.
Answer: No, it was a fake, they used a stamp.
It is real.