The 1989 Topps Teenage Mutant Ninja Turtles Courage of the Master #72 trading card captures a tense subterranean moment based on the classic 1987 animated series. Part of the highly popular 88-card first series base set released by Topps, the card features a bold yellow outer border stylized with a winding black sewer slime pattern and a turtle shell icon numbered 72 in the bottom left corner. The main illustrated scene depicts the wise sensei Master Splinter navigating his way through dark, dangerous underground catacombs and murky sewer waters.