Vintage New old stock Batik dress from Rossetti Indonesia

Beautiful vibrant coloured dress. New old stock. Zipper back. Ties under bust. No fabric care label, but feels lightweight like maybe a rayon. Labelled a size Medium, but see actual measurements as this is a vintage size. A few marks on fabric at front (see photos) but these are underneath the folds at the front and may have been the seamstress markers of where the folds were to go to.