Dedicated to the study of Machine Postal Markings,
the Machine Inventors, Patents, and Other Related History
NOTE NEW AUCTION: MCS Auction Closing November 12, 2019
One of these machine cancels could sell at auction for over US$10,000! -- Can you identify it?
NOTE NEW AUCTION: MCS Auction Closing November 12, 2019NOTE: $100 Reward Offered for Stolen Cover/Cancel!
Special Machine Cancel History Exhibit (NYC2016) Now Online, Created by Mike Ellingson.
Award-Winning Exhibits Now Online, Created by Tony Crumbley, William Barlow, Jr., and Gary Carlson
Award-Winning Exhibits Now Online, Created by members of the MCS
Machine Cancel Society Publications [UPDATED]