Vintage cast iron White porcelain oval self rimming drop in bathroom sink. It is marked Kohler c.1970s. The porcelain shows normal light wear, minor scratches & scuffs. Overall good salvaged condition. Please be sure to look over all of the pictures as they are the best description. Feel free to ask questions when needed. Thanks for looking! 

Measures approx.-  

Overall - 19 1/4"wide x 16 1/4"depth

Faucet mounting holes - 1 1/8"diameter and are 4"apart center to center

The basin is 16"wide x 10 3/4"depth x 6 1/2"deep (5"fill height)

Drain opening - 1 1/2"diameter