The Excellence badge is for students who perform exceptionally well in a course quiz,example scoring over 75/100 in a course quiz.(The score for award of the excellence badge is specified by the course instructor during course creation.)
This is what our certificate of completion looks like.After taking a course quiz for a certificate-enabled course,if you meet the pass mark,then a pdf printable version of this certificate(with your name,course,date,etc)is made available to you.