This style vintage blazer is a rare find. It’s features a pretty cross over design that buttons at the waist and has a little ruching affect. 
Note: There is a light stain on the left collar. 
Measurements:
Length- 22 1/2 in. 
Width (pit to pit) - 21 in. 
Sleeve length- 21 1/2 in. 
Materials
70% Polyester
30% Rayon