Baby Secret (Mattel, 1968)
This moveable Mattel doll has a face and hands made of soft vinyl. Baby Secret has red hair and wears red flannel pajamas. Her arms and legs are moveable and she can sit or stand up. She’s called Baby Secret because she talks — whispers actually — and her mouth moves in tune with her words.
If you want your own Baby Secret, I wish you luck, she’s extremely rare but she does circulate on the web every once in a while.