N.Y. Supplementary 'Paid' Feb 1 '79, two strikes of duplex with "2" barred oval ties 1¢ ultramarine (156) and 2¢ vermilion (178) on 1¢ postal card (UX5) to Austria, Vienna (2.16) receiving cds, Very Fine, prepaid 2¢ postal card rate plus the 2¢ supplementary mail fee. Estimate  $750 - 1,000. $0 (Image)