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Free standard shipping for web orders $50+ • Free color printing
Free setup • Free email proof with your order • Free personalization The American Chemical Society, founded in 1876, is an organization that consists of more than 163,000 members at all degree levels and in all fields of chemistry. Catalog Number: 1002 More information The American Chemical Society, founded in 1876, is an organization that consists of more than 163,000 members at all degree levels and in all fields of chemistry. This stamp celebrates the society's 75th anniversary. This stamp was issued by the United States Postal Service on September 4, 1951 .
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