Your example has a wavy line killer (cancel) and a circular postmark. There are five possible manufacturers of this machine. Start the search by answering the following question:
Question: Does the year date appear on its own line near, or at the bottom of the postmark dial?
Return to Start of Machine Cancel Finder
Bob Swanson's Machine Cancel Page
Bob Swanson's Postal History Page
Updated Sun Feb 24 10:13:17 MST 2019