Blue Fish 100% Organic Cotton art-to-wear Maxi Dress

Blue Fish 100% Organic Cotton art-to-wear Maxi Dress Lagenlook Mustard Yellow. In good Pre-owned condition, there is a very tiny spot on the sleeve, see last photo. The tag shows as Size 1. I measured the item, laying flat and unstretched, and it measures to be a Size Large. Also, photographed on a Size Large manequinn. Please, check measurements below. Armpit to armpit 19.5" Hips 23" Length 56" Thank you for looking!