1987 classic update set yellow back vs green back, HELP PLEASE!!
olb31
Posts: 3,459 ✭✭✭✭✭
I just bought 17 of these sets, supposedly all with green backs. I am ignorant for this issue. The boxes are are sealed, so how can I be sure that they are all green backs, without opening them? Is there a way? Your knowledge would be very helpful.
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