Latin Quarters US 6 Yellow White Half Sleeve Colorblocked Button Blouse Collared

Latin Quarters US 6 Yellow White Half Sleeve Colorblocked Button Blouse Collared New with tag attached but has a flaw. Next to one button are 2 blue marks that look like ink pen. However the spot is completely covered once buttoned and can’t be seen. Lightweight and perfect for spring and summer. Size tag says L. However that is an international size. According to their size chart online, that is equivalent to a US size 6. Bust: 19.5” flat 004 10oz? A