This is a "Dinah" cast-iron mechanical coin bank, typically manufactured by John Harper & Co. Ltd. in England.
Function: When a lever is pushed, she lifts her hand to "swallow" a coin, and her eyes roll up.
Material: It is made of painted cast iron.
Markings: Authentic models are often marked "Dinah" and "Made in England" with a registration number on the base or reverse.
Age: These banks were produced in the early 20th century, around 1910-1920.
Collectibility: Original banks can have significant value to collectors, but replicas also exist, making expert authentication important for valuation.