Vtg 70s polyester suit dress secretary mad men red

Joanie is that you?? I LOVE this dress so much. It is probably from the 70s, is polyester and buttons all the way down. Comes with original belt and jacket. Dress is labeled a size 12 and measurements for dress below. See lay flat photo for better idea of colors, sorry for the shadow in the main pics. Has all original buttons. Union made, ILGWU tags. Shoulder-Shoulder 15.5 Armpit-Armpit 16 Waist 14 Hips 18 Length 37 Sleeve length 24 (All measurements taken flat and are approximate