Early 1900s American Glass Door Knobs- a Pair | Chairish
Defiant 2-1/4 in. Satin Nickel Victorian Glass Door Knob (2 per Pack) 70372 - The Home Depot
NIZADO Crystal Dummy Door Knobs Blue Unlocking Interior Door Knobs Keyless Door Hardware for Hallway and Closet Non-Locking Inactive Dummy Knob with Brushed Nickel Rosette-4 Pack - Amazon.com
heavy cut depression green crystal knob set — ARCHITECTURAL ANTIQUES
Knobonly Glass Door Knob Interior, Brushed Nickel Interior Door Handle Glass Knob, Crystal Closet Door Knob, Glass Interior Door Knobset, Diamond Door Knob, 1 Pack - Amazon.com
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Pair of Fluted Clear Glass Doorknobs
Small Glass Door Knob Set French Door Hardware GLK-050 - Classic Home Hardware