Found by P.Davis
 
A copper-alloy uniface good luck charm. Hexagonal, pierced at the top with suspension link in situ. Decorated with a swastika (alternative names flyfot; gammadion, within a circle and surrounded by the legend, "Good For Two Years Good Luck".
 
Keywords: Good Luck Charm
Charm Object Classification: Lucky
Object Inscription: "Good For Two Years Good Luck".
Period: Modern
Date Range: Circa 1930
Primary Material: Cooper Alloy
Method of Manufacture: Die-Stamped
Size (mm): 20mm long x 22mm wide
 
The name “swastika” comes from the Sanskrit word svastika, meaning “lucky” or “well being.” It is generally used on people and things to denote good luck or wish well being. It goes by many names in many different places: hook cross, crooked cross, angled cross, sun cross, sun wheel, hakenkreuz (German), among others.
 
Matilde Moisant, the second woman to get her pilot’s license, wore a swastika pendant on her 1912 uniform for good luck. This was a common practice among early aviators and test pilots.
 
The swastika can be traced back about 11,500 years, to the Neolithic period. It’s past and present are deeply rooted primarily in Eastern religions although there are many examples of it in other religions. Long before it had any negative connotation, it was popular in religions and cultures including: Christianity, Buddhism, Hinduism, Chinese and Japanese art and many others.