Vintage Lauren Lee Metallic Highneck Long sleeve Top Size 16

Vintage, excellent condition. With one exception. What I don’t know is, the design on the back, the darker areas. Is that part of the design or a flaw. I do not know. I decided to list the shirt because it’s such a cool shirt, overall. High neck Button closure at top back of neck Long sleeve button closure Metallic sheen Size 16 100% Polyester