San Diego’s Panama-California Exposition (1915-1916)

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GM132 Christiance

“Panama-California International Exposition, San Diego, Cal.” on front
“Published by H.L. Christiance, San Diego, Cal. Made in U.S.A.” on back

I would like to know the date of any such postcard postmarked during or before the Exposition. There are cards with identical images that do not read “Panama-California International Exposition.”