In the Kuro Hakubutsukan (Black Museum) series:

Vol.1 - Springald
The Black Museum holds criminal memorabilia from the many cases that have been investigated by Scotland Yard. In this fictional re-imagining of the popular legend, a visitor comes to see a piece of particular interest, the leg of Spring-Heeled Jack. When the curator guides him to the piece, he begins to tell his story of the case of Spring-Heeled Jack, which began in the late 1830s.

Vol.2-3 - Ghost and Lady

Deep in London’s Scotland Yard sits an evidence room dedicated to the greatest mysteries of British history. In this “Black Museum” sits a misshapen hunk of lead—two bullets fused together—the key to the untold story of a wartime encounter between Florence Nightingale, the mother of modern nursing, and a supernatural Man in Grey. The record books show Florence fought for compassion as empires’ petty rivalries threatened to destroy the hopes and lives of common people. But a guest in the Black Museum knows the truth is not so simple, and the famed Lady with the Lamp had a ghastly secret…