For GDTS tix, you can make a small tear at the edge of the ticket, and if it's good it will have what appears to be red paper in the center of the ticket (between the front and back).
(you; can make; a small tear; L:at the edge of the ticket; T:For GDTS tix) (it; 's; good) (it; will have; what appears to be red paper in the center of the ticket (between the front and back)
you it it
can make 's will have
a small tear L:at the edge of the ticket T:For GDTS tix
good
what appears to be red paper in the center of the ticket (between the front and back