A quick check doesn't seem to turn up this image of the Gentleman's Grill at the Hotel Alexandria, which I recently acquired (I acquired the image, not the hotel).
recto; odinthor collection
verso; odinthor collection
Text: Gentlemen! This is a swell Hotel & I don't mind the price; feels funny not to have to go into saloons for business. Hoping you are busy[.] I am yours[,] Max"