The "Dodo-Postcards" watermark is NOT on the actual card – it is an online watermark only.
Preston. c. 1935. Double Aperture. First Print. NWPB Series 5
Preston. Double Aperture. c. 1935.First Print. NWPB Series 5
Preston. Double Aperture. First Print. Series. 5. a
Double Aperture box. Preston. e. 1935. MacDowell Steven. NWPB Series 5. 1981
Preston. Double Aperture. Calendar Print. NWPB Series 5. 1935
Bolton. Anonymous Cylindrical High Aperture. First Print
Bolton. Anonymous Cylindrical High Aperture. c. 1881. First Print. NWPB Series 4