Vintage Ceramic Knobs, Ornamental Door Knobs with Various Black, White & Grey Designs, Kitchen Cabinet Handle, Cupboard or Drawer Pulls by DesignInFocus on Etsy https://www.etsy.com/listing/225804546/vintage-ceramic-knobs-ornamental-door
This solid brass concave knob will add timeless polish to any interior. Handcrafted in the USA from 95% recycled brass. Clean with a damp cloth and a little mild liquid soap. Comes with mounting hardware.