The following cancel is classified as Type 3m
The following cancel is classified as Type 3 (AC-TBT)
The above example is provided to show the normal size of a Type 3 cancel
in comparison to a 3m variant.
The following cancel is classified as Type 6dep(3)-1
The following cancel is classified as Type 6 ("AT SEA")
The above example is provided to show the normal size of a Type 6 cancel
in comparison to a 6p variant.
Locy System for Classifying Naval Postmarks, As Revised ©, of the Universal Ship Cancellation Society is excerpted and reprinted with permission.