1920s Metal Cracker Jack Cow Charm

This is a 1920s Metal Cracker Jack Cow Charm in a deep gray base metal.  The cow is standing with her head turned to her left side and her tail curved up and over her right hip.  She has a detailed head and face with short, curved horns; C-shaped ears; round eyes; and a short muzzle with round nostrils and a straight line slightly down-turned mouth.  Her neck is encircled with a belled collar.  Her udder has two teats on each side and her feet have visible hooves.  The charm measures 0.625" (16mm) high by 0.75" (19mm) wide by 0.25" (7mm) deep. with a ring with a 0.0625" (2mm) hole attached on the back.  The charm is detailed, 3-dimensional (with casting seams along the head and back) and hollow.  This 1920s Metal Cracker Jack Cow Charm is in Very Good condition with no damage or wear.