A cool toned Navy made in the USA top that can be styled off the shoulder (as shown) or on the shoulder.  Made by the brand Jerri Bee who designed square dancing clothing in the 1980s.
 
Tagged size Small
65% Polyester 35% Cotton
Chest: 48 in.
Length: 22 in.
Model is 5'2 & typically a size 4/6
Disclaimer: Please keep in mind these pieces are vintage, if there are any flaws they will be noted and photographed