These were found in a shoebox of military covers. You'll see the first one is the common die, and the others are the re-entry die.
From the numbering on the back, the writer was pretty prolific, and the possibilities of others should (may) exist.
Pat
https://usstelfair.org/uss-telfair-historyHer second tour began with her departure from San Francisco on 26 January 1952 and ended upon her return to the west coast at San Diego on 24 May. In the intervening period, she saw no actual Korean service, but steamed between Okinawa, Kobe, Yokosuka, and Sasebo primarily engaged in training United Nations troops in amphibious operations.
(UC6) Die AM5(C) Re-entry Die Similar to die AM5 except
vertical rudder is separated from the tail-wing by a heavy line
of color, the forward strut appears as a thin line and the point
of contact at the wheel is ˝ mm forward from the un-retouched
dies.
UC6

AM5(C) Re-entry


