Vintage Union-made sleeveless dress, brown/white with black brick-a-brack trim

Vintage 70s with Union-made tags! Straight linen dress, sleeveless with mid-length hem. 3/4 zipper in the back, 2” hem allowance for adjustment if needed. Measurements below, estimated size 12 Bust: 38” Neck: 15” Length (shoulder to hem): 40” Vintage item, sold in as-found condition (not freshly laundered)