Here is a Spanish-language Master Mystery Exhibitor Ad.  This is a double-sided card-stock insert from Cine-Mundial, the Spanish-language version of Moving Picture World magazine.

The Houdini Serial has taken the country by storm.  It is gold mine for independent exchanges. Territory going fast.  Produced by B.A. Rolfe.

Mystery Terror and suspense abound in the Houdini serial.  The greatest open market proposition ever presented.