Butter Yellow Girls Cardigan

I can't figure out if this is vintage. No tags present, terribly cute and in mint condition. Soft buttery yellow button down cardigan, stretchy with little textured polkadots on the front and two woven in seamless pockets. Really well constructed. Flat Measurements: pit to pit: 16" length: 20.5" sleeve: 21" waist: 11.5" Seller Stats: 280+ Five-Star Reviews & an Average Ship Time of 1.5 Days