This is a vintage men's suit jacket made by Corneliani for Saks Fifth Avenue in a size 44L.
The jacket is gray with a light gray pinstripe pattern and features a single notch lapel, a two button-up front closure, long sleeves with three buttons above the sleeve openings, 3 front pockets, 3 inner pockets, shoulder pads, and a straight bottom hemline.
It measures about 20.5" from underarm to underarm, 17" from left shoulder to right shoulder, 25.5" from top of shoulder to sleeve opening, and 31" from the back of neck to bottom hemline when laid flat.
This blazer was made in Italy with 100% virgin wool and the lining was made with 100% Cupro.
The garment comes in good pre-owned condition with a small tear at the seam of the right shoulder and a small hole on the back.