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American Chemical Society, ACS, Chemistry, 1951 AC First Issue FDC USA
United States Commemorative Postage Stamp,
American Chemical Society ACS, 75th Anniversary,
Issued Sept 4, 1951 in New York, New York,
First Day of Issue Cover, FDC, Art Craft Engraving Cachet, Unaddressed, Ideal for Framing,
The stamp design depicts the emblem of the American Chemical Society at the center. On the left is an alembic with supporting instruments, the conventional hydrometer and ionization indicator. On the right is the horizon of the chemical century typified by towers of a catalytic cracking plant, a butadiene reactor and a fractionating unit.
Cover in Removable Transparent Poly Sleeve and Mailed With Protection,
Made in the USA
Genuine First Day of Stamp Issued Cover Cancelled on the First Day of Issue Date by the U.S. Postal Service,
American Chemical Society ACS, 75th Anniversary,
Issued Sept 4, 1951 in New York, New York,
First Day of Issue Cover, FDC, Art Craft Engraving Cachet, Unaddressed, Ideal for Framing,
The stamp design depicts the emblem of the American Chemical Society at the center. On the left is an alembic with supporting instruments, the conventional hydrometer and ionization indicator. On the right is the horizon of the chemical century typified by towers of a catalytic cracking plant, a butadiene reactor and a fractionating unit.
Cover in Removable Transparent Poly Sleeve and Mailed With Protection,
Made in the USA
Genuine First Day of Stamp Issued Cover Cancelled on the First Day of Issue Date by the U.S. Postal Service,



