This is a single sterling silver earring, hallmarked 1909. 
 
Horseshoes are symbol used to protect against evil and bring good luck; paired with an arrow, this earring will help guide and protect you as you move in the direction of your dreams.
 
Wear as a sole talisman, or pair with another mismatching earring (like the one pictured above) for your own perfect pair.
 
Measurements:
 
Drop approx 3.1cm
Width approx 1.6cm