(Medical - Medicines) Seabury & Johnson. Multicolored allover design on cover showing Award Medallions & Factory Scene, franked with 1890, 2¢ carmine tied by 1892 New York, N.Y. duplex postmark, Very Fine and choice. Scott No. 220  Estimate $300 - 400. $0 (Image)

(Medical - Medicines) Seabury & Johnson. Multicolored allover illustrated design showing Factory View and Benson Plaster Products, franked with 2¢ carmine (s.e. at bottom) tied by 1896 New York, N.Y. machine postmark, reverse with ad text and multicolored illustrated Benson Plaster Products, with original illustrated receipt enclosure, Very Fine. Estimate  $300 - 400. $0 (Image)

(Medical - Medicines) Seabury & Johnson. Multicolored allover illustrated design showing Factory View and Benson Plaster Products, franked with 2¢ carmine tied by 1899 New York, N.Y. machine postmark, reverse with multicolored illustrated Benson Plaster Facsimile, Very Fine and choice. Estimate  $300 - 400. $0 (Image)