This item is a vintage porcelain powder box, often referred to as a "half doll" or dresser box, featuring a Victorian lady with a bonnet and fan. 
Type: Porcelain vanity box / figural powder jar.
Style: Victorian or Rococo.
Manufacturer: Commonly attributed to German manufacturers like Sitzendorf.
Dimensions: Approximately 4.5 inches in diameter and 6 inches in height.