What does 90 mean on a spoon?

90 is the weight in grams used for silvering 12 forks and 12 spoons. 90 is the most frequent, but various other silver quantity of silver can be used in the process and the corresponding number is punched in silverplated flatware. (

What is sterling silver worth?

You can usually find this value online at financial statistics websites or precious metals dealers. At the time of this writing, the current value of silver is $16.56 per ounce.