Vintage 1980s Floral Prairie Style Blouse, Ralph Lauren Country Size Medium

Floral stripe prairie old west inspired blouse from the early 80s.  Brand - Ralph Lauren Country  Content - 86% Cotton 7% Ramie 7% Linen Size - Labeled Size 4, approximately a modern Medium but please check all measurements to ensure fit  Shoulders - 17.75" across Chest - 21" pit to pit but the front is smaller than the back - if I measure side seam to side seam across the front it is only 18.75" Length - 26" Sleeves - 21.5" from shoulder seam Condition - While measuring, I noticed someone hemmed up the back. There are button holes on the sleeve opening but no button on either sleeve. It doesn't really affect the wearability though. I don't see any holes or stains