Linen Blue & White Striped Summer Sleeveless Top

Linen Blue & White Striped Summer Sleeveless Top. No size marked. Fits like a True Small or XS. Approximately 16.5 inches across chest laying flat. Mannequin bust is a size XS. I am a smallish-med and it is too small on me for reference. Buttons up in back with pretty buttons. Like new condition.