Watson Black A1 (33.1x23.4) frame with Black mount cut for image size A2 (23.4x16.5)
Fabian Clarke London® A1 Grey Picture Frame with White A2 Mount, Fits Poster, Photo, Print, or Certificate with Safety Glass Hang on Wall in Portrait or Landscape : Amazon.co.uk: Home & Kitchen
Black A1 Poster Frame with White A2 Mount Picture frame mount
Newbury Black A1 (33.1x23.4) frame with White mount cut for image size A2 (23.4x16.5)
Black Picture or Poster Frame | Wall Mounted Acrylic Frame