1918 Curtiss NC-4 Flying Boat Transatlantic Flight International Radio Telegraph Co X Lang Airplane Propeller

It doesn't get much rarer than this.  I don't think they made many of these.    I don't know how this propeller survived 100 years. This propeller is off of the communication radio set from a Curtiss NC Flying Boat from 1918-1919.  * We do not have the radio set, just the propeller * Propeller measures 24 inches long x 3 inches tall x 6 1/4 inches wide (hub diameter)  Weighs just under 2 lbs.USN (United States Navy) Stamped on back of hub (see photos) Type CQ-1265  (CQ stands for International Radio Telegraph Co)Original decal (see photos)Awesome original patina (see photos) In May of 1919 the US Navy sent NC-1, NC-2, NC-3 and NC-4 on their way to the first transatlantic flight.  There were many issues along the way and the NC-4 was the only one that made the flight across the Atlantic. (link) The US Navy's Curtiss NC-4 was the first airplane to achieve the transatlantic flight. The US Navy wanted the best of the best equipment in these planes and wanted the communication systems to be