Aviation Magnet Set

This set of vintage Aviation sign magnets includes four 2" X 3" magnets.

Magnet 1: Learn to Fly features an illustration of a yellow and red biplane flying over an airport.
Magnet 2: Air Races (Chicago) an advertisement for the 1930 Air Races in Chicago.
Magnet 3: Airplane Rides background designed to look like yellowed paper. From top to bottom, It reads "Airplane Rides," "Ride in Worlds Largest TriMotor Land Biplane $1.00," "50c," "Also Night Rides,"  "Worlds Largest Tri-motor Biplane," Giant 14 Passenger Tri-Moror Ford also Six Passenger Stinson," "Goodland, KAN. Sept. 19th-20th," "Secrist Bros. Flying Circus."
Magnet 4: Airplane Races (St. Louis). It is an advertisement for International Air Races in St. Louis.