This vintage G1  mommy or mummy charm is Little Helper. She's red with yellow-orange hair and a white apron for her symbol.

The  were originally available in  of the My Little Pony line in specially marked My Little Pony packages. There were 20 different charms to collect and they could attach to a charm bracelet available separately through a .

Little Helper has a white spot on her back foot but is otherwise in good vintage condition. 

The pony is flat on the bottom and is marked "1983 Hasbro."

Measurements:

Height: 1 inch (2.5 cm)