It's the one in the second row in the center.[h=2]Emperor KAO TSUNG
AD 1736-1795[/h][h=3]reign title: CH'IEN-LUNG, AD 1736-1795[/h]Your mint is... "BOO YUWAN" (Board of Works mint in Bejing). The Manchu mint name translates to Pao-yuan or "The Source of all Currency".
My brother and I where cooling off in the meramec River outside of Eureka Missouri, sitting on a gravel bar when he found a Chinese coin like that one. There was an old RR track not too far.