1909-12 T53 Hassan “Cowboy Series” of 49. Lot 278. 1909-12 T53 Hassan “Cowboy Series” of 49. These colorful cards have a western scene on the front and a somewhat lengthy story on the back describing the scene. An above-average example of this issue. The cards average vg+. Winning Bid $264. Back to List Winning Bid $264 Back to List