Hi all, after I retired from the military, I went to work for the Federal Civil Service at a Federal Building.
In the course of my second career was also the same time of the official mail USA stamps were being used. I got to know everyone in the mail room who were required to open and inspect all packages. Got them to save me the higher value official mail USA stamps.
In addition, I would also routinely received mail addressed to me, which is a nice to have, maybe someday all this mail I saved might be worth something. I mean all the envelopes that I saved.

David Thompson (Stampmaster)
MSGT/USAF/Retired