The EFO Collector
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Freaks
30. Single line(s) of perforations misplaced: This occurs when a single pinwheel is missing, not tightened down, or set incorrectly. It is common on the edges of sheets of 19th century stamps. Value is modest to perhaps a $25 premium for a particularly nice example.
Type 30: The 3rd Bureau 2¢ block (Scott 499) has its horizontal center perforations shifted into the bottom stamps, probably due to a loose pin wheel. The perforations are impressed but not punched through.
Type 30: The outside row of horizontal perforations was set too wide on this L-perforator product (Scott 1369).
Type 30: As in the above figure, the outside row of horizontal perforations was set too wide here, too (Scott 230).
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