70s Vintage Micro Mini acrylic barkcloth long sleeved dress w. bright flowers XS

This is a gorgeous 1970s vintage mini dress. Made of what feels like an acrylic barkcloth, it’s a black fabric with vibrant bright flowers in yellows, pinks, reds, and greens. The dress has a banded waist with yellow piping and yellow buttons at the bust. Has bell sleeves and zips up the back. Overall in good vintage condition with no major flaws to note. Has no tags - see measurements in photos for best fit. Approx a xs. Very short. medieval revival vibes, perfect for ren fair!!