My father reunited with his issued Vietnam era helmet

At the beginning of this year, I ran across a posting in a Vietnam reenactors group on Facebook by someone in the UK looking for more info on a helmet he had recently picked up. In the pictures that were posted, you could faintly make out my fathers name written on the sweat band of the helmet liner. After contacting the owner, he agreed to ship the helmet to me so I could give it back to my father, in exchange for a similar helmet. After a month or so of back and forth contact, and waiting for shipping b