Tahari 1-button blazer jacket 8

Tahari blazer jacket Dark color. Unsure if dark blue or black Gold buttons Good condition Inventory sticker on inner lining (see pics). I don't know how to get it off without leaving sticker residue on the jacket. Seam is coming loose in one spot on back of arm (see pics) Size 8 19.5 inches armpit to armpit 25 down center back without collar Measurements are approximate 100% polyester Dry clean only