A3, A4 vertical blank picture frame for photographs. Vector realisitc paper or plastic white picture-framing mat with wide borders shadow. Isolated picture frame mockup template on gray background Shutterstock .eps vector - A3, A4 vertical blank picture frame for photographs. Vector realisitc paper or plastic white picture-framing mat with wide borders shadow. Isolated picture frame mockup template on gray background - ID: 466140161