Posted By:
Tony AndreaI also believe the cards with the ad back are much tougher to find compared to the more common blank
back variation since these were the only ones Charles Gross & Co found eligible to be sent in for
the prizes they offered on the reverse. Leon, do any of the ones you own have the ad back or are they blank?
Lew Lipset states a premium of 25% to 30% can be added to cards that have the ad back.
Barry, do you agree??