I propose that Coupon Type 1's are both T213-1's and T206's. Same goes for Red Cross' being both T215's and T206's.
This is easily explained using quantum mechanics.
Sir Isaac Newton (Leon) claimed that light (Coupon Type 1 or Red Cross) behaved as particles (T213-1 or T215, respectively).
Contemporaneously (I kinda like that word), Christian Huygens (Ted Z) was steadfast in that light (Coupon Type 1 or Red Cross) behaved as waves (T206).
Eventually the work of great minds such as Planck (No, not the pitcher), Bohr, Heisenberg, Einstein, and others brought forth the Duality Theory, which recognized that light (Coupon Type 1 or Red Cross (remember this post is about baseball cards)) behaves as both particles (T213-1 or T215, respectively) and waves (T206).
And I just realized that Physics and Physical Chemistry would have been a lot easier if I had collected these T-Cards back when I was in college
Best Regards,
Craig