Vintage Silk Sleeveless Tie Neck Secretary Blouse

Jones New York sleeveless 100% silk secretary blouse. Sort of geometric patterned chiffon with overlapping rectangles in various subtle shades of blue. Mock neck with ties; small key hole detail and button in back. Unlined. Excellent condition. 100% Silk Made in Korea. Labeled Size 6 but based on chest measurements I categorized it as size Small. Please see photos for approximate measurements. Vintage, Retro, Mod, Contemporary, Bow, Secretary, Academia, Mad Men, Blue, Grey, Cubist, Artsy, Artistic, Natural Materials Fabrics, Dress up/down, office chic, zoom, 60s 70s 90s vibe