This is a small tip is for keepers of many similair looking vessels, 1i how to diffrenate them:
As you collect more and more spirits/entities/enchanted vessels, you start to get problems keeping the diffrent similair looking vessels apart (even more so if you use gemstones as vessels and you own many gemstones as vessels but they are of the same kind/shape/color etcetera) I have the solution make sure you get a scale to measure their weight, since every vessels has it's own weight.
I hope my fellow spirit companions/keepers/collecters of the metaphysical can use this tip to seperate multiple vessels, I used this same method to keep a log of many gemstones that were very similair..

ps:to the moderators I dunno if this post is in the right place if not feel free to move it. 1sp