1960s Silver Lion in a Circus Wagon Movable Charm

This is a 1960s Silver Lion in a Circus Wagon Movable Charm, measuring 0.5" (13mm) high by 0.625" (16mm) wide by 0.375" (10mm) deep.  The caged wagon has full bars on two sides, half bars on the ends with the word "CIRCUS" etched into one, a rounded textured roof, and four spoked wheels.  The charm flips open to reveal a standing lion caught in stride with his maned head turned to one side and his plumed tail lifted above his back.  He appears to have a faint pink color applied to his mane.  He also has small pointed ears, deep-set eyes, pointed snout with round nose and cheeks, and a slightly open mouth.  The bottom of the charm is stamped "SILVER."  Maker is unknown.  This 1960s Silver Lion in a Circus Wagon Movable Charm is in Very Good condition with no damage or wear.