Brightest green I have seen on 19th century material and the lettering is rather crude. Railroad cancels are well documented.
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Mobile Post Office Society (MPOS) was founded in 1950 by a group of philatelists interested in the study of United States Highway Post Offices. It soon expanded to focus on Railway Post Offices, and eventually to the enroute distribution and postmarking of mail all over the world. It is a nonprofit organization, affiliate #64 of the American Philatelic Society.
MPOS has published the definitive studies of postmarks from the Railroad, Station, Route Agent, and Messenger services, and the Railway, Highway, Streetcar, Terminal, and Air Mail Field Post Offices as well as the Transfer Offices and Clerks in United States philately. Most recently, MPOS has added a focus on the USA's Rural Free Delivery (RFD) service and postmarks that were used around the beginning of the 20th century. 1996 saw the start of a study of "TRANSIT" markings used at intermediate Post Offices.
The research and work of many years culminated in the completion of the "United States RPO Postmark Catalogue", begun by the late Charles Towle, and completed through the efforts of MPOS Past President Fred MacDonald, along with the work of many dedicated philatelists.
MPOS publications are available for purchase by interested philatelists, whether or not they are members of MPOS....
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MPOS is moving into the 21st century with release of the publications below in computerized format. They are presented on CD-ROM, as text-searchable PDF files. Dropbox is available for those who don't have a CD-ROM drive. Any are available on a USB Thumb drive for an additional $5.00.
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https://www.eskimo.com/~rkunz/mposhome.htmlEdit: If genuine, the reperfing will matter little with such an outstanding green cancel.
Posted 10/15/2022 6:28 pm
