Left: ‘The Gates of Yosemite’ by A.C. Pillsbury; Right: ‘Untitled’ by artist unknown A new exhibit celebrates the golden beauty of the classic orotone photo print, giving the eye-catching but short-lived photographic printing process more time in the spotlight. The Robert Mann Gallery in New York City is hosting an orotone-centric exhibit, “Gold Standards: The Art of the Orotone,” until May 16, and it puts beautiful, golden prints front and center. “At the turn of the twentieth century, when photographs were crafted as material objects to hold and cherish, gold was used in the production of a short-lived process called orotone, resulting in overtly warm-toned images that glistened in the light,” Robert Mann Gallery explains. “Often presented in ornately decorative frames, orotones — sometimes called ‘Curt-Tones’ due to their popular use by the photographer Edward Curtis — were admired by those in the American Arts and Crafts movement for their involved handiwork and singularity.” ‘Vernal Falls’ by A.C.…