If you send your razor out to be honed, how can you tell if a person used tape or not?

I do not think spine wear is a 100% accurate way.

I.e, my spine has wear on it now from the last person that honed it, I send it out to a different person, and the person that hones it puts tape on it and hones it.

The reason I am asking is that when it comes time to refresh my edge on a finishing stone, I want to know if I need to use tape or not.

Thank you