” Other microprinting within the plane involves “X-one” within the horizontal stabilizer with the plane as well as a horizontal row of 3 “USPS” letters symbolizing the plane’s pitot tube.
After the war, https://ezekielazom020956.blogrenanda.com/35864857/the-fact-about-immortalized-supersonic-plane-on-silver-coin-that-no-one-is-suggesting