The Number Seven #7 Mattel Ponytail Black/Brunette Barbie Doll from the 1960s is a vintage collectible fashion doll that stands at 11 inches tall. This Barbie doll features vinyl and cloth materials, with a ponytail style and blue eyes. She comes with an outfit and is part of the Ponytail Barbie product line, making her a sought-after piece for collectors of vintage Barbie dolls. Made by Mattel in Japan in 1963, this Barbie doll is a piece of nostalgia for those who appreciate classic Barbie dolls from the 1960s.