# 1002 (1951) American Chemical Society - PB, LL #24464, MNH

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US 1951

CHEMISTRY

75th Anniversary of the American Chemical Society.

ACS Emblem and items of chemistry.
Water Activated Gum
Scott 1002

Perforated 11 x 10.5
Lower Left Stamp Plate Block of 4 - #24464

Mint Never Hinged