Basic House x Keith Haring Barking Dog Oppression and Aggression T-Shirt XS/S

Very light stain on the front - see last picture. Barely noticeable but it's there. Please compare measurements size on tag 85 cm that's suppose to be in between an XS and S Basic House X Keith Haring - The Barking Dog. Double side tee. Size on tag: 85 (cm) 15" from armpit to armpit. 21" from the bottom of the collar to the hem.