Talbots Petites Red Rhinestone 2 piece Sweater szS

2-piece Tank with Jacket, Red Rhinestone Armpit to armpit: 17” (fabric is stretchy) Neck of tank top to bottom hem: 17.75” Unique metal hook clasp on jacket There is a stain? On the back of sleeve near elbow on right side. (See photo). When worn this is where it gathers so I never noticed it.