The "Dodo-Postcards" watermark is NOT on the actual card – it is an online watermark only.
Paris. The Opera Avenue taken from Louvre Hotel. A. Papeghin
Paris. The Opera Avenue. Yvon
Paris. Champs. Elysees Avenue. LIP. Potonniee Freres
Paris. The Opera House Avenue. Art et Technique. No 30
4. Paris. La Place de lOpera et le Theatre. Opera Square and Theatre. LIP. Potonniee Freres. 1935
Paris en Flanant. Avenue de l Opera The Opera Avenue. Series 5 90. Editions d Art Yvon
Paris. Ier Et 2e. L Avenue De l Opera Et l Academie Nationale De Musique. Theatre De l Opera. LL. No. 1915. 1912
Paris. The Chamber of Deputies. Potonniee Freres. Les Editions Artistiques Lip. Paris et ses Merveilles
