I am fairly certain that this stamp is 1622C with 11.2 perforations and printed on Combination Press. Any information on this type of error is greatly appreciated. I did not find a similar topic when searching this forum.
Such misperforations are known on the issues with varying amount of shifted perforations. They should have been caught as waste,removed and destroyed but all were not. Yes a production error but in terms of EFOs, the term of art is Freak, not an error.
Thank you very much for the clarification as I am still early in acquiring and understanding the appropriate jargon and definitions used in stamp collectng. JT
Quote: Thank you very much for the clarification as I am still early in acquiring and understanding the appropriate jargon and definitions used in stamp collecting.
EFO= Errors, Freaks, and Oddities, if I remember correctly. A very broad category.
I collect most of California's Redwood Empire , Humboldt & Mendocino counties, including the RPOs that ran through them. Any town or city I mention is located in one or the other. My primary sources are California Town Postmarks 1850 - 1935 compiled by John H. Williams & the Western Cover Society Mobil Post Office Society RPO Catalog, MPOS U. S. Route and Station Agent Catalog, and the MPOS RPO Directory and AGT Directory California Postmaster Compensation compiled by Alan H. Patera
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Posted 01/01/2026 9:01 pm
