Vtg ILGWU Green Linen Mod Mini Dress Double Breast

1960s Mod Double breasted Drop Waist with offset pan/shawl collar mini dress & flip twirl skirt.  2 pieces dress.  Ilgwu USA. Linen Blend. small spot interior back dress (unseen) ✂-measurements- (all taken with the garment laying flat) Underdress with attached skirt Chest 19"          Armhole 10" Length shoulder to Hem 37" Waist 17-1/2" Sweep 40-1/2" across at hem Double-breasted Over Top Vest Drop waist Chest 19-1/2 Waist 19" Hips 21-1/2" Sweep 22" 10 gold-tone plastic buttons 1" across