You are looking at cancellation by a device similar to what's used/was used for bank check cancellation. So these are used. Perforated cancels are found on other revenue types as well. They are valued lower than handstamp or printed cancels.
Perf cancellation of other revenues, from
http://www.rdhinstl.com/revs.htm :
Posted 06/18/2019 1:36 pm
