Mint set of 4 stamps issued in 1951 to
commemorate the 75th anniversary of the American
Chemical Society and to honor America’s Chemists.
The stamps feature the ACS emblem and instruments
used in the field of chemistry including an alembic,
Hydrometer and an ionization indicator.
These stamps are 74 years old and post office fresh.
Each set of 4 stamps includes a protective stamp mount,
suitable for framing or for mounting in your scrapbook.
FREE shipping & handling to the U.S.
$1.75 shipping & handling Worldwide.
I will combine shipping for multiple lots.
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