Long sleeve top by french brand dorothee bis (founded by husband and wife duo (e)lie and (j)acqueline jacobson), from the late 1970s to early 1980s. Made from an extremely fine and very very slightly sheer wool jersey knit, it has a gently body-hugging shape and beautiful lace detailing at the neck at cuffs.

Marked size 1 (FR womens S)
Check measurements to confirm fit
All measurements taken flat

Shoulder width: 35 cm
Width (at underarms): 38 - 46 cm (knit fabric has stretch)
Waist width: 32 - 39 cm
Length (neck to hem): 57 cm 
Sleeve length: 56 cm
Hem width: 41 cm

100% wool
Made in france
Late 1970s - early 1980s