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?
![[example cancel]](../machines/international_year_arc.jpg)
![[year mark]](../machines/straight_year.jpg)
Yes [year date line is near or at the bottom of the dial]
No, [year date line is not near or at the bottom of the dial]