The History Channel supplies today's video. It depicts a woman who handles some of the oldest Valentine's cards and gifts that have been exchanged by lovers through the ages

Nancy Rosin is the president of the National Valentine Collector's Assocation and has close to 10,000 pieces in her personal collection. From the first mail-posted Valentine on record in 1806 to some of the precursors to today's Valentines, her collection is a chronicle of the world's social history of love.