Lot of 16 Vintage "Japan" Porcelain Round Screw Through Pull Knobs 1.5" Diameter, 1 1/16" tall. All are straight bottom, not flaired.
All are in excellent condition: no chips, scratches or discolorization. All are imprinted with "Japan" on the underside.
Please see the photos for a better description and should you have any questions, please feel free to ask.