Looks like one set is mostly here and one is just the outer parts. The one with guts, the knob is locked.
Obviously, these are old and need repair but would make a great accent to some super old doors. The item "ANTIQUE VINTAGE COMMERCIAL HOTEL ORNATE BRASS DOOR KNOB SET BACK PLATES 6/6/1899" is in sale since Monday, May 13, 2019. This item is in the category "Antiques\Architectural & Garden\Hardware\Door Knobs & Handles". The seller is "doubledraw" and is located in Essex, Maryland.
This item can be shipped to United States, Canada, Mexico.