Vintage Racing Photo Photograph Jack Brabham Mexican Grand Prix 1968 ?

Offering a vintage grand prix racing photograph showing Jack Brabham. Pencil notation on the back appears to indicate this may be from the Mexican Grand Prix in 1967 or 1968? Sold as-found, however, and I do not have further information on the history of this piece. Photographer stamp on the back from Manfred Gygli Photographer in Houston, Texas. Great image!

Measures approximately 4 3/4" by 6 3/4"

Condition: This photo is in good condition for its age overall with some light wear. Pencil notations on the back

Tag 2539