It is the Steam Yacht Alberta (formerly the royal yacht of King Leopold II) and built in 1896. It was formerly known as the Margarita and by 1912, it was owned by a Jefferson Davis Cohn.
Screw Steamer MARGARITA built by Ailsa Shipbuilding Co. Ltd. in 1896 for Anthony J. Drexel, New York. , Yacht
Hope this helps.
Ever considered becoming a private investigator Harland ?