The EFO Collector
Auction
Club Business
Honor Roll
Buyers & Sellers of EFO Material
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25. Stamps unintentionally printed on paper watermarked for another issue or not watermarked at all: Examples are the 1895 6¢ and 8¢ first Bureau issues that were printed on paper watermarked "USIR" instead of "USPS", and the normally unwatermarked 1938 $1 Presidential that can be found printed on "USIR" paper.
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