Christian Dior Navy Oblique Silk Button Down Shirt.

Pajama top style short sleeve top, buttons down front, single front pocket, logo across back hem. 

Retail $3400.

100% silk twill. 

Marked size - FR34 (2/4) but has an oversized fit and will work for XS /  S. Garment chest 38", shoulder seams 17", back neck to hem 24". 

Excellent previously owned / worn with light mark at back near hem as pictured. Gets lost in pattern and does not detract when worn.