Vintage (70s) Ralph Lauren Purple Label crop wool blazer jacket 8

Vintage Ralph Lauren Purple label blazer It has a union made in the USA label which makes me think it is from the 1970s Women's size 8 but please see measurements. The mannequin it is on is size 8 100% wool Brown and tan, chevron like pattern Lined Three pockets with flaps - pockets still closed Made in the USA - Union made tag long sleeves Shoulder pads Across shoulders: 16 1/2"; armpit to armpit: 19" across waist (just above pockets: 17", length: 21" Vintage, but no flaws or obvious signs of use 1078