Addressed, No Postmark
In 1904, Dorothy Dix wrote about the benefits - and perils - of taking advantage of the Leap Year tradition that allowed women to propose marriage in the New York Times article "The Leap Year Proposal". Although today, women can freely pop the question, at the turn of the 20th Century, it was against the mores of the day - unless it was February 29th.
Dating: Leap Year occurred in 1908, and since this is an undivided back card, it was probably written that year.
