Dial and Killer Examples
The Dial is the part of the cancel that usually contains the name of the ship and the cancellation date. The dial is typically round although other styles exist.
The Killer is the part of the cancel usually to the right of the dial that is applied over the stamp(s) to mark them as used. Several types of killers are used in Naval Cancels. One of the most common is a set of bars (usually referred to as "killer bars") which sometimes contain text between them.
Examples
Dial and killer from a Type 3 cancel on a cover from the light cruiser U.S.S. Honolulu CL-48
Dial and killer from a Type 6egpr-1 (C+) cancel on a cover from the battleship U.S.S. Idaho BB-42
Dial and killer from a Type 8 cancel on a cover from the destroyer tender U.S.S. Melville AD-2
This type of cancel is called a Flag Cancel (for obvious reasons).
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