VINTAGE drop waist floral dress

I think this dress is from the 80s ~ super cute! Great for a retro look / could be used as a costume piece or just a sweet spring / summer floral dress Tagged size 12, but I think it’s like a modern size 8 maybe ~ a Medium * * * see measurements ! Pit to pit ~ 18.5” Waist measurement ~ 16.5” Dress is knee length on me (I’m 5’4”)