Piazza Sempione orange knit dress to the knee size 8

Piazza Sempione orange knit dress in good condition. Asymptomatic ruffle going to the waist, with a cool industrial metal zipper down the back.40” inches from shoulder to bottom of the dress,armholes 9”, bust 38”, and hips 38”.The tag says a size Italian 48, which translates to an American 12- but it’s really an 8