Keywords: aircraft vehicle outdoor Lot-6033-9: Curtiss R4 “Liberty” aircraft The was utilized by the U.S. Army, circa 1917-18. Photographed through Mylar sleeve. (2015/10/23). Lot-6033-9: Curtiss R4 “Liberty” aircraft The was utilized by the U.S. Army, circa 1917-18. Photographed through Mylar sleeve. (2015/10/23). |