Published on Tuesday, March 5, 2013 by Kathy McCabe On Friday, the Vatican post office released stamps for the Sede Vacante or Vacant See period - the time when there is no Pope. Pope Benedict XVI stepped down on February 28th.  Because this period is so short, these stamps are quite the collectors item. Perillo Tours President Steve Perillo has his own collection of Sede Vacante commemorative stamps. The Vatican star...