1981 Topps Basketball Wax Box Question

Is there anyway to determine what box you have? (East Version, West Version, Midwest Version) I was thinking maybe trying to identify some cards thru the back of the packs. Any suggestions?
Thanks!
Thanks!
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WTB: PSA 1 - PSA 3 Centered, High Eye Appeal 1950's Mantle
I cant help you discern the west from the midwest, however
Anyone else? I'd like to know this answer as well.
Thanks,
David (LD_Ferg)
1985 Topps Football (starting in psa 8) - #9 - started 05/21/06
WTB: PSA 1 - PSA 3 Centered, High Eye Appeal 1950's Mantle
<< <i>You may bounce it off Steve/BBCE to see if he has an idea. I've purchased from them in the past and have had mixed series so I'm assuming they were not "from a sealed case". This was several years ago. >>
BBCE will know. They have sold boxes as East/West in past and I doubt they're guessing or taking someone's word for it.