This Beautiful, Vintage Jacket is by 

STRELITZ

(Made in The United Kingdom)

Possibly 1980s?

Classic, elegant, single-breasted style with "couture" details

Gathered sleeves with deep cuffs, tie belt, gilt-edged buttons (spares inside)

Ivory fabric with beige "slub" texture

possibly silk/wool mix (no content label). Fully Lined

Will fit Bust 36" Waist 30"-32"

Vintage size UK 12

Modern UK size 8/10 (approx)

In excellent condition