http://cgi.ebay.com/VN-War-US-Army-545th-Trans-Det-CHFM_W0QQitemZ6594074725QQcategoryZ104015QQcmdZViewItem

Even the 545th. It's in pretty good shape for 40 years old, eh? But he doesn't SAY it's 40 years old, he just says "VN War."

The guy has THOUSANDS of these patches, every unit you ever heard of.