German Porcelain Half-Doll "Lady with Unusual Green Bonnet"

6" (15 cm.) Waist-up porcelain figure of lady in the 18th-century style, with elaborately-arranged grey curls under an over-sized green stove-top bonnet with wide brim, decorated by a band of roses and leaves, having low-bodice purple blouse, with extended arms, holding a fan with painted floral design in her right hand. Marks: 100507. Excellent condition. Germany, another example has been found the blue lamb stamp of Ambrosian Lamm of Dresden, circa 1910.