U.S. Scott 859, the 1 cent Famous Americans issue picturing Washington Irving, intended to pay the 1 cent post card rate. The post card is not canceled so don't know if it went through the mail without being canceled or was hand carried to the recipient. The front of the post card has a picture of George washington's home, Mount Vernon.
U.S. Scott 859 On Post Card Picturing Mount Vernon
Returns accepted for up to 30 days from the date of mailing, for any reason, as long as the item is returned in the same condition that it was sent.