EUC 70s Gray Blue Plaid Wide Dagger Collar Polyester Vintage Jacket Blazer M

Truly a 1970's era plaid jacket. Excellent Condition. No fabrication tag but feels 100% polyester. Blue/gray plaid. Could be unisex but best fits womens small/medium. Looks like the tag reads size 10P but not quite sure. 2 faux button flap front pockets. Waist pockets also have faux flap button front. Buttons on cuffs of sleeves. Laying flat, measurements are approximate: Pit to Pit: 18.5" Shoulder to hem: 27" Sleeve length: Shoulder to cuff: 21.5"