This US Coast Guard rank is an official issue for Petty Officer first class. This insignia pin is ready to be worn on official uniforms with a pin backing. Displays a shield with a silver finish and three gold finish chevrons. This collar rank is regulation size measuring at 7/8th inch. This USCG insignia is made to be worn on your uniform, but you could also display your service in formal attire or in your own shadow box. Petty Officer First Class is the third of the Petty Officers in the USCG. They serve as leaders to their troops and are expected to be experts in technical specialties. The Coast Guard Petty Officer 1st Class Collar Rank is made and handled 100 percent in the USA.