Vintage 1960s Women's Shirt With Embrodery and Mirror Detailing

I've had this for over 30 years. It was purchased at a vintage shop where the owner said it was from the mid-1960s. Soft faded black cotton with tie-dyed front panels and embroidery and small mirror details. There are also small bells for the "buttons". While it comes down to about mid-thigh, the center is slit up to the waist. Such a cool piece but I have to accept I'll never be this tiny again.