El Paso Hilton Hotel 1940 airmail cover to New York

El Paso Hilton Hotel advertising airmail cover

Front of the envelope:
VIA AIR MAIL
Illustration of the hotel
Air Conditioned
HILTON HOTEL
NEWEST * LARGEST * FINEST
EL PASO * TEXAS

Postmark: EL PASO JAN 7 6:30PM 1940 TEXAS

Stamp: US 1938 Airmail Eagle 6 Cents Scott #C23

Sender:
X.O. Pfeiffer
c/o American Airlines
El Paso, Texas

Addressed to:
Mr. Rutledge Simmons
c/o Henry Ginnel & Co.
15 Maiden Lane
New York, N.Y.

Back of the envelope flap:
HILTON HOTEL
EL PASO * TEXAS
In the Heart of the 80% Sunshine Belt

Back of the envelope:
From Coast to Coast
TRAVEL THE SOUTHERN ROUTE
SCENIC * ALL-PAVED * SNOW-FREE
AIR-COOLED STOPS

Illustrate map showing the route from San Francisco to New York with points of interest, numbered highways and cities including: Los Angeles, San Diego, El Centro, Phoenix, Grand Canyon, Lordsburg, Juarez, Juarez, El Paso, Kansas City, Rio Grande, Van Horn, Carlsbad Caverns National Park, Pecos, Big Spring, Abilene, Fort Worth, Dallas, Oklahoma City, Omaha, Texarkana, Little Rock, Shreveport, Atlanta, Memphis, St. Louis, Chicago, Nashville, Knoxville, Great Smoky Mt. National Park, Bristol, Shenandoah National Park, New Market, Washington D.C., Baltimore, Wilmington and Philadelphia; US 101, 99, 70, 80, 180, 54, 62, 290, 67, 11w, 11, 211, 1, 40, 13.