A ring with a gem on it is rested next to a ruler measuring it's size.
A ruler with a "2002 T140" tag on it.
A ring measured by a ruler with 2002 T140 at the bottom.
A gold ring with a stone that is being measured against a ruler that says 2002 T140.
A ring is above a ruler showing the numbers 10 through 70 in increments of 10.