The International Machine Cancel Society

Dedicated to the study of Machine Postal Markings, the Machine Inventors, Patents, and Other Related History

NEW: MCS Auction Closing 14 March 2023 (first auction in 2 years, many large lots included)



Seen this machine cancellation?   [machine cancellation] Read More...

[machine cancellations]

One of these machine cancels could sell at auction for over US$10,000!
Can you identify it?



Society News

NEW: MCS Auction Closing 14 March 2023 (first auction in 2 years, many large lots included)

Announcement regarding availability of printed MCS publications (from Forum of May 2021)

Stolen Cover/Cancel Still Missing

We have updated the format of the article about Milam and Holmes machine cancels from a 2007 Machine Cancel Forum by A. J. Savakis. We are still requesting more information and examples of this rare machine.

Educational Material, Including Exhibits, Articles, and Publications

We offer a wide variety of Educational materials regarding machine cancels, created by members of MCS. These include exhibits, printed publications, and articles.

Other Items

Machine Cancel Society New Technology and Social Media Projects

Previous News/Announcements

In Memoriam...


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Contact information for the Society's President.

Updated 23 January 2023

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