Special Cancel Vietnam War Helicopter US 33 cent Celebrate the Century Stamp #3188g Pawtucket, RI March 23, 2000 Postally Used Envelope

Special Cancel Vietnam War Helicopter US 33 cent Celebrate the Century Stamp #3188g from Pawtucket, RI. Canceled March 23, 2000. The First US Army Regular Unit - 39th Signal Battalion Arrives in Vietnam Stamp #3188g Celebrate the Century 1960s - The Vietnam War Used, cancelled with return address label on cover.