Note that the -1 variant has no standard for the placement of the ship's name in the dial. Therefore, variants t and u are not applicable.
The following cancel is classified as Type 2-1(n+) (D1,USS) (FF)
This variant code is also used for Type 6d and 6g cancels to indicate the presence of the numeral "1" inside the grid. If present, it is placed at the end of the list of small letter variant codes and before the capital letter variant codes.
The following cancel is classified as Type 6egpr-1 (C+)
Note that the -2 variant has no standard for the placement of the ship's name in the dial. Therefore, variants t and u are not applicable.
The following cancel is classified as Type 2-2et ("OCEANOGRAPHIC UNIT TWO/FPO SF 96663")
The following cancel is classified as Type 9-2e ("OCEANOGRAPHIC UNIT TWO/FPO SF 96663")
Locy System for Classifying Naval Postmarks, As Revised ©, of the Universal Ship Cancellation Society is excerpted and reprinted with permission.