6.5x7.75" album with 20 pages. Cover features image of key that contains text " Fifteen Weeks, Universal Pictures, Thirty Reels, The Master Key By John Fleming Wilson, A Thrilling Story Of Mystery And Romance". Each page represents a chapter of the film which was released in 1914. Book was designed to have 2x2.75" stamps posted on pages and is complete with set of 63 stamps in place. Inside front cover has three stamps of the writer, director/male lead and female lead of the silent film. Each page has 4 stamps, one of which is a brief summary text stamp for that chapter. All others feature film scenes in a variety of color tinted photos. Back cover states "Art Stamps Have Been Made Of A Great Many Of The Universal's Stars, And They Have Been Used By Many Theatrical And Musical Artists, But This Is The First Time They Have Ever Been Used For A Serial. This Album On The Master Key Is Therefore Unique". Cover wear/aging including 2" spine split w/archival tape repair on inside. Cover Fine. Pages and stamps Exc. A rare promotional item for this film which is presumed lost. The only other example we have offered sold for $335.