A postage meter is a device that produces an imprint that is a substitute for both the postmark and postage stamp.
The FR code identifies the meter manufacturer: Friden
The letter O before a meter classification indicates that
meter text includes "U.S. OFFICIAL MAIL."
(Example Needed).
(Example Needed).
(Example Needed).
The following postmarks are classified as Meter OFR2


(Example Needed).
Locy System for Classifying Naval Postmarks, As Revised ©, of the Universal Ship Cancellation Society is excerpted and reprinted with permission.