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US Sc #1685 FDC, American Chemical Society Centennial Cachet
Scott #1685, American Chemical Society 100 years. Unaddressed on embossed ACS envelope.
7.50 USD
GRKStamps (1 )
US Sc 777 & 778, Post Office Dept Letter
This is an unusual cover from the Post Office Dept. There are postmarks on back from Wash DC and Warren, Ill. June 1936.
10.95 USD
GRKStamps (1 )