It will appear under their name in brackets - mine is 2969.
Then, if you click on the number, you get taken to their feedback page and can choose 'recent feedback' and see what feedback they have received as a buyer and seller and have left for others.
"There are two ways to be fooled. One is to believe what isn't true; the other is to refuse to believe what is true.”
Søren Kierkegaard, Danish philosopher (1813 - 1855)