Determining a stamp’s value is a multi-step process. Like anything, many factors go into figuring the final value of the stamp. One of things every stamp collector must look at is centering. This isn’t a scientific or set process, so the stamp’s centering value will vary from collector to collector.

As with anything, if you’re unsure about a stamp’s value, seek the help of a philatelist pro.

There are seven “conditions” when assigning value to a stamp for centering.