I would sell them as an unopened box, but that's just me. I believe that the unopened box will sell for a heavy premium due to the possibility of Cameo Franklin Halves.
What was the ship date on the case from the mint if there is one. You all know where I am going with this. Sorry, I just couldn't resist. Give NGC & PCGS a call and ask them what their "cutoff" ship date is from the mint for a sealed box in order to qualify for Early Release/First Strike.