Bill,
I hate to be the bearer of bad news, but as someone who has been to the shows you mentioned, I wouldn't go expecting too much. Pre-war material is definitely slim to none. I also believe that both shows overstate the number of tables.
You also might want to double check the show in Allentown, I did not see any listed for the weekend you mentioned.
Again, if you have time to kill it can't hurt to check out the shows, I wouldn't make a special trip though.
Mike
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