Paid Reply Postal Card, 1904, 1¢+1¢ black on buff, reply card blank, message card printed on both sides, unsevered, folded with small split at end, unused (addressed not used) complete card, message side printed both sides, message none error, small smudges, Very Fine, 2 known, 1 mint and this one, a great rarity. UPSS No. MR6c. Scott No. UY4b; $950  Estimate $400 - 600. $0 (Image)