Scale: the numeric grading system from 1 through 70 that was devised by Dr. William Sheldon in 1948 for Large Cents and later adopted by the coin industry for all coins

The late Dr. William H. Sheldon who wrote the seminal work on 1793 to 1814 large cents.

Sheldon is a webcomic created by Dave Kellett. The strip centers on Sheldon, a 10-year old boy who became a billionaire when he created a piece of successful software. He lives with his dim-witted grandfather and his pet duck, Arthur.