The EFO Collector
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The EFO Collector: Archive: Issue of February 1979
Keywords: stamp errors, stamp errors, EFO, McAfee, Beginning United States Booklet Pane EFOs, Scott, Specialized, Bureau Issues Association, The United States Specialist, Scott 583a, Scott 1623a, Sccott 498a, Scott 507a, rotary printed, flat printed, pressure squeeze