Striking trio of 19th-century carte de visite photographs by Samuel J. Mason, each capturing a dramatic summer perspective of Niagara Falls. One view features a remarkable close-up of the raging rapids with the suspension bridge rising behind the spray. Another presents a dynamic downstream angle from behind the American Falls, showing the lighthouse structure and mist cascading into the gorge. The third captures a bold view from Goat Island, the powerful water curtain framed by rocky outcrops and foliage. Each mount is backmarked “Samuel J. Mason, Point View, Niagara Falls, N.Y.,” advertising his stereographs on paper and glass of “Winter and Summer Views of the Falls.” A rare matched set of early tourist imagery from a significant regional photographer.