Authentic WWI German Binoculars with Case, Engraved "H.L. Stone Yachting, New York"

Authentic WWI German Binoculars with Case, Engraved "H.L. Stone Yachting, New York" Bottom of case also etched with "H.L. Stone Yachting, New York." Binocular case had a note taped to the front, partially torn. Legible portions that remain read, "Stone's B [presuming, "binoculars" here] in World War I [discovered or recovered] from a German submarine in the of Atlantic - 1917."

Binoculars themselves are marked "Jago-Lux 8 x 45" and "Breisgau 8 x 45" Glass is intact.