Montgomery Ward 70s Red Floral Long Maxi Lounge Zip Front Dress14-16? Vintage

One of the fun oldies lounge dresses of 70s!!! Vintage  - Montgomery Ward - Red Floral Long Maxi Lounge Dress Size 14-16 ?  Zip Front  3/4 Sleeves Size -  tag size is 14-16, but vintage clothes used smaller rate for sizes in compare to today's American Standard size chart. Please review actual measurements. This dress seems more like M size by today's size chart standard. Please compare measurements to make sure this dress is the right fit for you. Thank you. Approx. Measurements - flat / out side * across shoulder - 16" * bust - 20.5" across / 41" around max - no stretch * total length - 49" * sleeves - 22"  = long or 3/4 Condition - vintage, worn in good conditions, some normal signs of usage / aging should be expected but no issue was noted. All items stored in my pet/smoke-free home. Thank you for visiting.