He earned his teaching 'certificate' last year.
She has a 'certificate' in midwifery.
a $10 'gift certificate'
(..) - Hey. Didn't think you'd make it. On behalf of the senior class, I'd like to present you with two gift certificates... - Thanks, sucker. - Yo, peace. One gift certificate to the Walker Brothers Pancake House. Thank you. Congratulations on winning State. I was so nervous. They made us do limits. (..)2004 Mean Girls