Vintage/Antique Glass Door Knobs

Vintage/Antique (1920's/1940's) door knobs (5 sets, 10 knobs). Victorian/ Farmhouse 12 point clear crystal glass, each with unique design. Metal center rods with brass finish base. 1 has a heavy-duty plastic finish base with a metal rod. No other hardware but including some loose screws that were with them. Paint is in several areas to be removed.