Below - First purebred filly
Cooper Half Bred Foals
Foal above on left is a colt and above right is a filly, both out of TB mare. Below left a filly. Seems to be a stamp already.
Video of Could It Be Magic at 7 months out of a TB mare.
Above photo: Bay halfbred filly and buckskin purebred filly. Bred by Peachstone Sport Horses. PC Peachstone Sport Horses