# 1002 (1951) American Chemical Society - PB, LL #24464, XF MNH
$1.75
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US 1951 CHEMISTRY 75th Anniversary of the American Chemical Society. ACS Emblem and items of chemistry.Water Activated GumScott 1002 Perforated 11 x 10.5Lower Left Stamp Plate Block of 4 - #24464 Mint Never Hinged - XF Centered
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